{"title":"Kooks Headers","description":"\u003cp\u003eKooks Headers Built for Performance\u003c\/p\u003e\n\u003cp\u003eExplore our collection of Kooks Headers designed to enhance exhaust flow, sound, and overall engine response. Built for your Hemi-powered Chrysler, Dodge, Ram, or Jeep, these headers provide a solid foundation for improved power and throttle response. Whether you're upgrading a 5.7L, 6.4L, or 6.2L Hellcat engine, Kooks Headers deliver reliable performance gains and a more aggressive exhaust note.\u003c\/p\u003e\n\u003cp\u003eIn this category, you’ll find premium tubular headers engineered for optimal fitment and durability. These headers are crafted to reduce backpressure and increase exhaust scavenging, helping your engine breathe better under all conditions. Perfect for street or track use, they complement other aftermarket exhaust components to maximize your vehicle’s potential.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision fit for Hemi platforms\u003c\/li\u003e\n\u003cli\u003eEnhanced exhaust flow and sound\u003c\/li\u003e\n\u003cli\u003eDurable construction for long-term use\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple Dodge, Chrysler, Ram, and Jeep models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eShop Kooks Headers for your Hemi platform at FastHemis.\u003c\/p\u003e","products":[{"product_id":"kooks-long-tube-headers-mid-pipes-dodge-charger-challenger-6-2l-srt-hellcat-2015-2023","title":"Kooks Long Tube Headers \u0026 Mid Pipes: Dodge Challenger \/ Charger 15-23 6.2L Hellcat","description":"\u003ch3\u003eKOOKS LONG TUBE HEADERS \u0026amp; MID-PIPES\u003c\/h3\u003e\u003cp\u003eDodge Challenger \/ Charger 15-23 6.2L Hellcat\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e3103H630 - 2\" Long Tube Headers PLUS GREEN Catted Mid Pipes\n3103H640 - 2\" Long Tube Headers PLUS High Output GREEN Catted Mid Pipes\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThese products are NOT legal for sale, installation, or use on a licensed vehicle in the state of California, and they do NOT meet CARB compliance.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eKooks Long Tube Headers are top of the line for the Dodge Charger Hellcat and the Dodge Challenger Hellcat. Kooks builds all of their products to the highest standard, and these are possibly the best headers you can buy for your Hellcat. They are made of stainless steel and engineered to the same high standard as Kooks other products!\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat Sets Kooks Apart?\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eKooks is known for building the best high end consumer headers in the world. This header is constructed with the below high end features!\u003c\/p\u003e\u003cul\u003e\u003cli\u003eTig welded with all 304 (aircraft grade) mandrel bent stainless steel construction\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eLong Tube Headers\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2\" x 3\" Stainless Steel Long Tube Headers\u003c\/li\u003e\n\u003cli\u003eMust be used with Kooks Connection Pipes\u003c\/li\u003e\n\u003cli\u003eIncludes Extra O2 Bung for a Wide Band O2 Sensor\u003c\/li\u003e\n\u003cli\u003eO2 extensions, gaskets, Stage 8 Locking Header \u0026amp; Collector bolts, and all installation hardware included\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cstrong\u003eThese products are NOT legal for sale, installation, or use on a licensed vehicle in the state of California, and they do NOT meet CARB compliance\u003c\/strong\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eGREEN Catted Mid Pipes\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3\" Stainless Steel GREEN Catted Connection Pipes\u003c\/li\u003e\n\u003cli\u003eIncludes Kooks Ultra High Performance GREEN Cats\u003c\/li\u003e\n\u003cli\u003e2 3\/4\" Outlet For Use With Kooks Or OEM Cat Back\u003c\/li\u003e\n\u003cli\u003eCats Are 49 State EPA Legal\u003c\/li\u003e\n\u003cli\u003eMust Be Used With Kooks Long Tube Headers\u003c\/li\u003e\n\u003cli\u003eIncludes Exhaust Pressure Sensor Fitting \u003c\/li\u003e\n\u003cli\u003e\u003cem\u003e\u003cstrong\u003eThese products are not legal for sale, installation, or use on licensed vehicle in the state of California. And they do NOT meet CARB compliance\u003c\/strong\u003e\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kooks Headers","offers":[{"title":"2\" Primaries with GREEN Catted Mid Pipes","offer_id":44002685190356,"sku":"3103H630","price":3416.1,"currency_code":"USD","in_stock":true},{"title":"2\"\" Primaries with High Output GREEN Catted Mid Pipes","offer_id":44002685223124,"sku":"3103H640","price":3911.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/4248_F143838857_b2a4b5d2-16b4-439f-9ad2-1088eb05adfa.webp?v=1766372722"},{"product_id":"kooks-exhaust-system-jeep-grand-cherokee-srt-trackhawk-2012-2023","title":"Kooks 3\" SS Cat-Back Exhaust OEM Tips: Jeep Grand Cherokee 12-21 6.4L\/6.2L","description":"\u003ch1\u003eKooks Headers Cat-Back Exhaust System\u003c\/h1\u003e\n\u003ch2\u003eJeep Grand Cherokee 12-21 6.4L\/6.2L\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 34104200\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks 3\" Stainless Steel Cat-Back Exhaust System is a premium upgrade designed specifically for Jeep Grand Cherokee SRT8 and Trackhawk models from 2011 through 2021. Crafted to enhance both performance and sound, this cat-back system improves exhaust flow while delivering a deeper, more aggressive exhaust tone. It is engineered for enthusiasts who want to unlock the full potential of their 6.4L naturally aspirated SRT or 6.2L supercharged Trackhawk engines without compromising daily drivability or factory aesthetics.\u003c\/p\u003e\n\u003cp\u003eThis system integrates seamlessly with either Kooks headers and connection pipes or the factory OEM exhaust, offering flexibility and ease of installation. Its polished stainless steel mufflers and split rear exit design provide a distinctive, aggressive look that complements the bold styling of these high-performance SUVs.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eCombining advanced engineering and high-quality materials, the Kooks cat-back exhaust system delivers superior performance and a refined exhaust note. Key features include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3-inch mandrel-bent stainless steel piping for optimal exhaust flow and durability\u003c\/li\u003e\n  \u003cli\u003eConstructed from premium 304 grade stainless steel for corrosion resistance and long-lasting performance\u003c\/li\u003e\n  \u003cli\u003eSplit rear exit design enhances exhaust tone and visual appeal\u003c\/li\u003e\n  \u003cli\u003eTwo polished oval stainless steel mufflers engineered for a balanced, aggressive sound\u003c\/li\u003e\n  \u003cli\u003eIncludes Kooks X-pipe to improve exhaust scavenging and power gains\u003c\/li\u003e\n  \u003cli\u003eDesigned to reuse factory exhaust tips for a clean, OEM-compatible appearance\u003c\/li\u003e\n  \u003cli\u003eCompatible with Kooks headers and connection pipes or factory OEM exhaust components\u003c\/li\u003e\n  \u003cli\u003ePrecision fitment for Jeep Grand Cherokee SRT8 and Trackhawk models from 2011 to 2021\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks utilizes premium 304 grade stainless steel throughout the entire cat-back system, ensuring exceptional resistance to rust and corrosion under all driving conditions. The mandrel-bent tubing maintains a consistent 3-inch diameter through all bends, minimizing flow restrictions and maximizing exhaust velocity for improved engine efficiency.\u003c\/p\u003e\n\u003cp\u003eThe system’s split rear exit layout is engineered to optimize exhaust gas evacuation while providing a distinctive, aggressive appearance that complements the muscular styling of the Grand Cherokee SRT and Trackhawk. The two polished oval mufflers not only enhance sound quality but also maintain a refined tone suitable for both spirited driving and everyday use.\u003c\/p\u003e\n\u003cp\u003eDesigned to retain the factory exhaust tips, this system preserves the vehicle’s original styling cues while delivering a significant performance upgrade.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eThis cat-back exhaust system is engineered to improve exhaust flow, reducing backpressure and enabling potential gains in horsepower and torque. The inclusion of the Kooks X-pipe enhances exhaust scavenging, further optimizing engine efficiency and power delivery.\u003c\/p\u003e\n\u003cp\u003eDrivers will experience a deeper, more aggressive exhaust note that elevates the driving experience without excessive drone or harshness, making it ideal for both street and spirited driving conditions.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThe Kooks cat-back exhaust system is designed for direct bolt-on installation on 2011–2021 Jeep Grand Cherokee SRT8 and Trackhawk models. It reuses the factory exhaust tips, simplifying the installation process and preserving the vehicle’s factory appearance. No cutting or welding is required, making installation accessible for professional installers and experienced enthusiasts alike.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e3-inch mandrel-bent stainless steel cat-back exhaust piping\u003c\/li\u003e\n  \u003cli\u003eKooks X-pipe for enhanced exhaust flow\u003c\/li\u003e\n  \u003cli\u003eTwo polished oval stainless steel mufflers\u003c\/li\u003e\n  \u003cli\u003eAll necessary hardware and clamps for installation\u003c\/li\u003e\n  \u003cli\u003eInstructions for proper fitment and assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis exhaust system is perfect for Jeep Grand Cherokee SRT8 and Trackhawk owners seeking to unlock additional performance and achieve a more aggressive exhaust sound without compromising daily drivability or factory aesthetics. It suits enthusiasts looking for a durable, high-quality upgrade that enhances both street and spirited driving experiences while maintaining a clean, factory-compatible look.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":43762674925780,"sku":"34104200","price":2463.61,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/4631_34104200_6cb64652-73e8-42fc-9192-5621e793571e.webp?v=1766372690"},{"product_id":"kooks-exhaust-system-dodge-challenger-srt8-2008-2014","title":"Kooks Exhaust System: Dodge Challenger SRT8 2008 - 2014","description":"\u003ch1\u003eKooks Headers Cat Back Exhaust System\u003c\/h1\u003e\n\u003ch2\u003e2008–2014 Dodge Challenger SRT8\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 31324200\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks 3\" Stainless Steel Cat Back Exhaust System is engineered specifically for the 2008 through 2014 Dodge Challenger SRT8, delivering a perfect balance of performance, sound, and style. Designed for enthusiasts seeking to enhance their vehicle’s exhaust flow and auditory presence, this cat-back system replaces the factory exhaust from the catalytic converters back, providing noticeable gains in power and a more aggressive exhaust tone.\u003c\/p\u003e\n\u003cp\u003eWhether you are looking to improve throttle response, increase horsepower, or simply upgrade the exhaust note, the Kooks cat-back system offers a direct-fit solution that complements the Challenger SRT8’s muscular character. This system is ideal for owners who want a high-quality, durable exhaust upgrade without the need for extensive modifications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eCrafted with precision and performance in mind, the Kooks cat-back exhaust system includes several standout features:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3\" diameter mandrel-bent piping for optimal exhaust flow and minimal restriction\u003c\/li\u003e\n  \u003cli\u003e304 Grade stainless steel construction for superior corrosion resistance and longevity\u003c\/li\u003e\n  \u003cli\u003eIncludes a 3\" X-Pipe to balance exhaust pulses and enhance scavenging\u003c\/li\u003e\n  \u003cli\u003eKooks Oval Race Mufflers designed to improve exhaust tone while reducing drone\u003c\/li\u003e\n  \u003cli\u003ePolished 4\" slash cut stainless steel tips for a bold, aggressive appearance\u003c\/li\u003e\n  \u003cli\u003eDirect bolt-on fitment for 2008–2010 and 2011–2014 Dodge Challenger SRT8 models\u003c\/li\u003e\n  \u003cli\u003eCompatible with stock manifolds and catalytic converters or Kooks connection pipes if headers are not installed\u003c\/li\u003e\n  \u003cli\u003eSplit rear exit design for a distinctive exhaust layout and sound\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eThis cat-back system is expertly crafted from premium 304 stainless steel, known for its excellent strength and resistance to rust and corrosion. The mandrel-bent tubing ensures smooth bends that maintain consistent diameter throughout, preventing flow restrictions and maximizing exhaust efficiency. The system includes two Kooks Oval Race Mufflers, which are engineered to provide a deep, aggressive tone without excessive drone during cruising.\u003c\/p\u003e\n\u003cp\u003eThe polished 4\" slash cut tips not only enhance the visual appeal but also withstand high temperatures and resist discoloration. Every component is designed for durability and long-lasting performance, making this exhaust system a reliable upgrade for your Dodge Challenger SRT8.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eBy replacing the restrictive factory exhaust components with a free-flowing 3\" system, the Kooks cat-back exhaust improves exhaust scavenging and reduces backpressure. This results in enhanced horsepower and torque delivery, especially noticeable in mid to high RPM ranges. The inclusion of the X-Pipe further balances exhaust pulses, contributing to smoother engine operation and a more refined exhaust note.\u003c\/p\u003e\n\u003cp\u003eThe sound profile is aggressive yet refined, delivering a throaty growl at idle and a powerful roar under acceleration. The system is tuned to provide an exhilarating driving experience without overwhelming cabin drone, making it suitable for both spirited driving and daily use.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThe Kooks cat-back exhaust system is designed for a direct bolt-on installation on 2008–2014 Dodge Challenger SRT8 models. It fits with the factory manifolds and catalytic converters or can be paired with Kooks connection pipes if aftermarket headers are installed. No cutting or welding is required, allowing for a straightforward installation process that can typically be completed with basic hand tools.\u003c\/p\u003e\n\u003cp\u003eInstallation time varies depending on experience but is generally achievable in a few hours. The system’s precise fitment ensures proper alignment and clearance, maintaining factory ground clearance and exhaust routing.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e3\" mandrel-bent stainless steel cat-back piping\u003c\/li\u003e\n  \u003cli\u003e3\" X-Pipe for balanced exhaust flow\u003c\/li\u003e\n  \u003cli\u003eTwo Kooks Oval Race Mufflers\u003c\/li\u003e\n  \u003cli\u003ePolished 4\" stainless steel slash cut exhaust tips\u003c\/li\u003e\n  \u003cli\u003eAll necessary clamps and hardware for installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis exhaust system is perfect for Dodge Challenger SRT8 owners who want to enhance their vehicle’s performance and sound without compromising reliability or requiring extensive modifications. It suits enthusiasts looking for a durable, high-quality upgrade that delivers both visual appeal and a commanding exhaust note. Whether for street driving, weekend cruising, or spirited track days, the Kooks cat-back exhaust system elevates the driving experience of the Challenger SRT8.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":43762675187924,"sku":"31324200","price":3217.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/4649_31324200_b7c342dd-9ebe-4674-b6fb-acf7eab7e7b2.webp?v=1766372693"},{"product_id":"kooks-long-tube-headers-mid-pipes-300c-challenger-charger-magnum-6-1l-srt8-6-4l-392-2006-2024","title":"Kooks 1-7\/8\" x 3\" Longtube Headers \u0026 OEM Catted Mid Pipes: Fits Most Chrysler\/Dodge 6.4L\/6.1L (05-23)","description":"\u003ch1\u003eKooks Headers Longtube Headers \u0026amp; OEM Catted Mid Pipes\u003c\/h1\u003e\n\u003ch2\u003eFits Most Chrysler\/Dodge 6.4L\/6.1L (05-23)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 3101H640\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Longtube Headers \u0026amp; OEM Catted Mid Pipes system is engineered to elevate the performance and sound of Chrysler 300C, Dodge Challenger, Charger, and Magnum models equipped with the potent 6.1L SRT8, 6.4L 392 HEMI, and 392 engines from 2005 through 2023. Designed for enthusiasts seeking a reliable upgrade that enhances horsepower, torque, and throttle response, this complete header and mid-pipe package delivers a deep, aggressive exhaust tone while maintaining OEM-level integration and emissions compliance.\u003c\/p\u003e\n\u003cp\u003eIdeal for both street and track applications, this system offers a perfect balance of performance gains and durability, making it a top choice for drivers who demand more from their SRT8 and 392-powered vehicles without sacrificing reliability or fitment.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eThis precision-engineered exhaust upgrade combines advanced design with quality materials to optimize your vehicle’s exhaust flow and sound characteristics.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConstructed from premium 304 stainless steel for superior corrosion resistance and longevity\u003c\/li\u003e\n  \u003cli\u003eAvailable primary tube sizes of 1-7\/8” or 2” to suit different performance preferences\u003c\/li\u003e\n  \u003cli\u003eIncludes OEM catted mid pipes with options for standard, GREEN, or high-output GREEN catalytic converters\u003c\/li\u003e\n  \u003cli\u003eTIG-welded and mandrel-bent headers ensure smooth exhaust flow and structural integrity\u003c\/li\u003e\n  \u003cli\u003e3” x 2-3\/4” OEM outlet connection pipes maintain factory exhaust pressure sensor compatibility\u003c\/li\u003e\n  \u003cli\u003eEPS block-off plugs included for proper exhaust pressure sensor management\u003c\/li\u003e\n  \u003cli\u003eDesigned to work seamlessly with stock or aftermarket performance exhaust systems\u003c\/li\u003e\n  \u003cli\u003eEnhances exhaust scavenging for improved engine efficiency and power delivery\u003c\/li\u003e\n  \u003cli\u003eDelivers a deep, aggressive exhaust tone that complements the SRT8 and 392 HEMI engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks Headers are crafted from 304 stainless steel, chosen for its excellent resistance to heat and corrosion, ensuring long-lasting durability even under demanding conditions. Each header is mandrel-bent to maintain consistent tubing diameter throughout bends, which minimizes flow restrictions and maximizes exhaust velocity. The TIG welding process used throughout the system guarantees strong, precise welds that withstand thermal expansion and vibration.\u003c\/p\u003e\n\u003cp\u003eThe inclusion of OEM-style catted mid pipes with multiple catalytic converter options allows for tailored performance and emissions compliance. The system’s design incorporates OEM exhaust pressure sensor ports and EPS block-off plugs to maintain full integration with the vehicle’s factory engine management systems, ensuring smooth operation and avoiding check engine lights.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eThis Kooks system significantly improves exhaust scavenging, which helps the engine breathe more efficiently. The result is enhanced horsepower, increased torque, and sharper throttle response. The headers’ primary tube sizing options allow enthusiasts to select the setup that best matches their performance goals, whether for street driving or track use.\u003c\/p\u003e\n\u003cp\u003eAcoustically, the headers and mid pipes produce a rich, deep, and aggressive exhaust note that highlights the distinctive character of the SRT8 and 392 HEMI engines without excessive drone. This balance of sound and performance makes it an excellent upgrade for drivers seeking both auditory and power enhancements.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eDesigned as a direct bolt-on upgrade for 2005–2023 Chrysler 300C, Dodge Challenger, Charger, and Magnum models equipped with 6.1L SRT8, 6.4L 392, or 392 HEMI engines, this system installs with minimal modifications. The kit maintains compatibility with factory exhaust components and sensors, simplifying installation and preserving vehicle diagnostics.\u003c\/p\u003e\n\u003cp\u003eWhile professional installation is recommended to ensure proper fitment and torque specifications, the system’s design facilitates a straightforward swap from stock headers and mid pipes, making it accessible for experienced enthusiasts and performance shops alike.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1-7\/8” or 2” primary longtube headers constructed from 304 stainless steel\u003c\/li\u003e\n  \u003cli\u003eOEM catted mid pipes with choice of standard, GREEN, or high-output GREEN catalytic converters\u003c\/li\u003e\n  \u003cli\u003e3” x 2-3\/4” OEM outlet connection pipes with exhaust pressure sensor ports\u003c\/li\u003e\n  \u003cli\u003eEPS block-off plugs for exhaust pressure sensor management\u003c\/li\u003e\n  \u003cli\u003eAll necessary hardware and gaskets for installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis Kooks Longtube Header and Mid Pipe system is perfect for performance enthusiasts and owners of SRT8 and 392 HEMI-powered Chrysler 300C, Dodge Challenger, Charger, and Magnum models who want to unlock additional horsepower and torque while enhancing exhaust sound. It suits street drivers seeking a refined yet aggressive tone, as well as track-focused users requiring durable, high-flow exhaust components that maintain sensor compatibility and emissions compliance.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"1 7\/8\" Primaries with Catted SRT8 Connection Kit","offer_id":44001964327124,"sku":"3101H420","price":2757.3,"currency_code":"USD","in_stock":true},{"title":"1 7\/8\" Primaries with GREEN Catted Mid Pipes","offer_id":44001964359892,"sku":"3101H430","price":3297.3,"currency_code":"USD","in_stock":true},{"title":"2\" Primaries with Catted SRT8 Connection Kit","offer_id":44001964392660,"sku":"3101H620","price":2780.03,"currency_code":"USD","in_stock":true},{"title":"2\" Primaries with GREEN Catted Mid Pipes","offer_id":44001964425428,"sku":"3101H630","price":3485.05,"currency_code":"USD","in_stock":false},{"title":"2\" Primaries with High Output GREEN Catted Mid Pipes","offer_id":44001964458196,"sku":"3101H640","price":3865.14,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/4707_F143838864_d05af494-ce4c-47e9-a363-2ffae7fa55cb.webp?v=1766372704"},{"product_id":"kooks-long-tube-headers-mid-pipes-chrysler-300c-dodge-challenger-charger-5-7l-hemi-2009-2024","title":"Kooks 1-7\/8\" x 3\" Longtube Headers \u0026 OEM Catted Mid Pipes: Chrysler 300 \/ Dodge Challenger \/ Charger 09-23 5.7L Hemi","description":"\u003ch1\u003eKooks Headers Longtube Headers \u0026amp; Mid Pipes\u003c\/h1\u003e\n\u003ch2\u003eChrysler 300 \/ Dodge Challenger \/ Charger 09-23 5.7L Hemi\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 3100H530\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks 1-7\/8\" x 3\" Longtube Headers paired with OEM catted mid pipes are precision-engineered performance upgrades designed specifically for 2009 to 2023 Chrysler 300, Dodge Challenger, and Dodge Charger models equipped with the 5.7L VVT HEMI engine and rear-wheel drive. This complete header and mid pipe system delivers enhanced exhaust flow, improved throttle response, and a deeper, more aggressive exhaust tone while maintaining durability and reliability for street and performance driving.\u003c\/p\u003e\n\u003cp\u003eIdeal for enthusiasts seeking a bolt-on upgrade that maximizes horsepower and torque gains without sacrificing drivability, these headers and mid pipes offer a seamless integration with the factory exhaust system thanks to OEM-style outlets and included hardware for a straightforward installation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eEngineered with performance and quality in mind, this Kooks header and mid pipe system includes:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePremium 304 stainless steel construction for corrosion resistance and long-lasting durability\u003c\/li\u003e\n  \u003cli\u003e1-7\/8” primary tubes designed for optimal exhaust scavenging and flow\u003c\/li\u003e\n  \u003cli\u003eTIG-welded and mandrel-bent tubing ensuring smooth bends and leak-free joints\u003c\/li\u003e\n  \u003cli\u003eIntegrated venturi merge spikes and blended flanges to minimize turbulence and maximize flow efficiency\u003c\/li\u003e\n  \u003cli\u003eLeak-proof ball flange collector for enhanced durability and sealing\u003c\/li\u003e\n  \u003cli\u003ePre-welded O2 sensor bungs with included O2 sensor extensions for easy sensor relocation\u003c\/li\u003e\n  \u003cli\u003e3” mid pipes available with either high-flow race catalytic converters or EPA-certified GREEN cats\u003c\/li\u003e\n  \u003cli\u003eOEM-style outlet connections for seamless mating with stock exhaust components\u003c\/li\u003e\n  \u003cli\u003eComplete hardware kit including gaskets and Stage 8 locking bolts for secure, vibration-resistant installation\u003c\/li\u003e\n  \u003cli\u003eDesigned exclusively for 2WD and RWD applications; not compatible with AWD models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks Headers are crafted from premium 304 stainless steel, chosen for its excellent resistance to heat and corrosion, ensuring longevity under demanding conditions. The headers feature TIG welding for strong, precise seams and mandrel bending to maintain consistent tube diameter throughout bends, which promotes smooth exhaust flow and reduces backpressure.\u003c\/p\u003e\n\u003cp\u003eThe design incorporates stepped primary tubes and venturi merge spikes that optimize exhaust gas velocity and scavenging, improving engine efficiency. Blended flanges provide a smooth transition between components, reducing turbulence and potential leak points. The ball flange collector design enhances sealing and durability at the critical junction where primary tubes merge.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eThis Kooks header and mid pipe system significantly improves horsepower, torque, and throttle response by reducing exhaust restrictions and enhancing scavenging. The result is a more responsive engine with increased power delivery throughout the RPM range. Additionally, the system produces a deep, aggressive exhaust note that enhances the driving experience without excessive drone.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThe kit is designed for a direct bolt-on installation on 2009–2023 Chrysler 300, Dodge Challenger, and Dodge Charger models equipped with the 5.7L VVT HEMI engine and rear-wheel drive. No cutting or welding is required, and the included hardware, gaskets, and O2 sensor extensions simplify the installation process. The OEM-style mid pipe outlets ensure a perfect fit with the factory exhaust system, maintaining proper alignment and clearance.\u003c\/p\u003e\n\u003cp\u003eNote that this system is not compatible with all-wheel-drive (AWD) vehicles and is intended for 2WD\/RWD applications only.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1-7\/8” diameter long tube headers\u003c\/li\u003e\n  \u003cli\u003e3” OEM catted mid pipes (high-flow race cat or EPA-certified GREEN cat options)\u003c\/li\u003e\n  \u003cli\u003eO2 sensor extensions\u003c\/li\u003e\n  \u003cli\u003eGaskets for all connections\u003c\/li\u003e\n  \u003cli\u003eStage 8 locking bolts for secure flange connections\u003c\/li\u003e\n  \u003cli\u003eComplete hardware kit for installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis header and mid pipe system is perfect for performance enthusiasts and street drivers looking to unlock the full potential of their 5.7L HEMI-powered Chrysler 300, Dodge Challenger, or Dodge Charger. It suits those who want a reliable, durable upgrade that enhances power, sound, and throttle response without compromising daily drivability or requiring extensive modifications.\u003c\/p\u003e\n\n\u003ch3\u003eEmissions Note\u003c\/h3\u003e\n\u003cp\u003eThe GREEN catted mid pipes included in this kit are EPA-certified for use in 49 states, providing a legal emissions solution for street-driven vehicles. However, this system is not CARB compliant and is not legal for street use in California.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"1 7\/8\" Primaries with \u0026 High Flow Catted Mid Pipes","offer_id":44001965179092,"sku":"3100H420","price":2832.91,"currency_code":"USD","in_stock":true},{"title":"1 7\/8\" Primaries with GREEN Catted Mid Pipes","offer_id":44001965211860,"sku":"3100H430","price":3372.91,"currency_code":"USD","in_stock":true},{"title":"1 7\/8\" Signature Series Stepped Primaries with GREEN Catted Mid Pipes","offer_id":44001965244628,"sku":"3100H530","price":2780.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/4728_F143838878_6b34ef9d-a32f-446f-ad01-26a9705b8c14.webp?v=1766372709"},{"product_id":"kooks-long-tube-headers-mid-pipes-jeep-grand-cherokee-srt-trackhawk-2012-2021","title":"Kooks 1-7\/8\" x 3\" Longtube Headers \u0026 OEM Catted Mid Pipes: Fits Most Dodge\/Jeep 6.4L\/6.2L (12-23)","description":"\u003ch1\u003eKooks Headers Longtube Headers \u0026amp; Mid Pipes\u003c\/h1\u003e\n\u003ch2\u003eFits Most Dodge\/Jeep 6.4L\/6.2L (12-23)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 3410H641\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks 1-7\/8\" x 3\" Longtube Headers paired with OEM catted mid pipes are precision-engineered exhaust components designed specifically for high-performance 6.4L SRT and 6.2L Trackhawk HEMI engines found in Jeep Grand Cherokee SRT8, Trackhawk, and Dodge Durango SRT 392 models. This complete header and mid pipe system enhances exhaust flow, resulting in improved horsepower, torque, and throttle response while delivering an aggressive exhaust tone that complements the vehicle’s performance character.\u003c\/p\u003e\n\u003cp\u003eIdeal for enthusiasts seeking to maximize their vehicle’s power output and exhaust efficiency, these Kooks headers and mid pipes bolt directly to the factory exhaust system using Kooks connection pipes, ensuring a straightforward installation without the need for extensive modifications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eDesigned with advanced engineering and quality materials, this system offers:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1-7\/8\" diameter primaries with 3\" collectors for optimized exhaust flow\u003c\/li\u003e\n  \u003cli\u003e304 stainless steel construction for superior corrosion resistance and durability\u003c\/li\u003e\n  \u003cli\u003eTIG-welded, mandrel-bent tubing ensuring smooth bends and consistent exhaust scavenging\u003c\/li\u003e\n  \u003cli\u003eIntegrated venturi merge spikes to enhance exhaust gas velocity and scavenging efficiency\u003c\/li\u003e\n  \u003cli\u003ePre-welded O2 sensor bungs with included O2 extension harnesses for accurate sensor placement\u003c\/li\u003e\n  \u003cli\u003e3\" catted mid pipes available in standard, GREEN, or HIGH OUTPUT GREEN EPA-certified options\u003c\/li\u003e\n  \u003cli\u003eBlended flanges for precise fitment and leak-free sealing\u003c\/li\u003e\n  \u003cli\u003eCompatibility with factory exhaust via Kooks connection pipes for seamless integration\u003c\/li\u003e\n  \u003cli\u003eEngineered specifically for 6.2L Trackhawk and 6.4L SRT engines to maximize performance gains\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks utilizes premium 304 stainless steel for these headers and mid pipes, providing excellent resistance to heat and corrosion, essential for long-term durability in high-performance applications. The headers feature mandrel-bent tubing that maintains consistent diameter through bends, reducing flow restrictions and turbulence. TIG welding ensures strong, precise joints that withstand thermal cycling and vibration. The inclusion of venturi merge spikes at the collector improves exhaust scavenging by promoting efficient gas flow and reducing backpressure.\u003c\/p\u003e\n\u003cp\u003eThe mid pipes incorporate OEM catalytic converters with options for standard or EPA-certified GREEN and HIGH OUTPUT GREEN cats, balancing emissions compliance with performance. Flanges are expertly blended to ensure a perfect seal and ease of installation.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eThis Kooks header and mid pipe system significantly enhances exhaust flow dynamics, resulting in noticeable gains in horsepower and torque. The improved scavenging effect leads to better throttle response and engine efficiency. Additionally, the system produces a more aggressive and refined exhaust note that complements the muscular character of the 6.2L and 6.4L HEMI engines without excessive drone.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eDesigned as a direct bolt-on upgrade, these headers and mid pipes connect seamlessly to the factory exhaust system using Kooks connection pipes, minimizing installation complexity. The kit includes O2 sensor extension harnesses to accommodate sensor positioning. Professional installation is recommended to ensure proper fitment and optimal performance. No major modifications to the vehicle’s exhaust or engine bay are required.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1-7\/8\" Longtube headers with 3\" collectors\u003c\/li\u003e\n  \u003cli\u003e3\" OEM catted mid pipes (standard, GREEN, or HIGH OUTPUT GREEN options)\u003c\/li\u003e\n  \u003cli\u003eO2 sensor extension harnesses\u003c\/li\u003e\n  \u003cli\u003eComplete installation hardware\u003c\/li\u003e\n  \u003cli\u003eKooks connection pipes for factory exhaust integration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis system is perfect for Jeep Grand Cherokee SRT8 and Trackhawk owners, as well as Dodge Durango SRT 392 enthusiasts, who want to unlock additional power and torque from their factory 6.2L or 6.4L HEMI engines. It suits drivers seeking a high-quality, durable exhaust upgrade that improves performance and delivers an aggressive exhaust tone without sacrificing emissions compliance outside California.\u003c\/p\u003e\n\n\u003ch3\u003eEmissions Note\u003c\/h3\u003e\n\u003cp\u003eThese headers and mid pipes are not CARB compliant and are not legal for sale, installation, or use in California. The GREEN and HIGH OUTPUT GREEN mid pipe options are EPA-certified for 49-state legality, providing emissions-compliant choices for most regions.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"1 7\/8\" Stainless Headers and GREEN Catted Mid Pipes","offer_id":44001966817492,"sku":"3410H431","price":3772.26,"currency_code":"USD","in_stock":true},{"title":"1 7\/8\" Stainless RACE Headers and CATTED MID PIPES","offer_id":44001966850260,"sku":"3410H421","price":3232.26,"currency_code":"USD","in_stock":false},{"title":"2\" Stainless RACE Headers and CATTED MID PIPES","offer_id":44001966883028,"sku":"3410H621","price":3164.68,"currency_code":"USD","in_stock":false},{"title":"2\" Stainless Headers and GREEN Catted Mid Pipes","offer_id":44001966915796,"sku":"3410H631","price":3878.16,"currency_code":"USD","in_stock":true},{"title":"2\" Stainless Headers and HIGH OUTPUT GREEN Catted Mid Pipes","offer_id":44001966948564,"sku":"3410H641","price":4373.16,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/4769_F143838829_ba811954-6acf-491e-818e-2d7b692b2632.webp?v=1766372720"},{"product_id":"kooks-1-7-8-x-3-stainless-long-tube-header-kit-ram-1500-5-7-hemi-2019-2024","title":"Kooks 1 7\/8\" x 3\" Stainless Long Tube Header Kit: Ram 1500 19-24 5.7L Hemi","description":"\u003ch3\u003eKooks 1 7\/8\" x 3\" Stainless Long Tube Header Kit\u003c\/h3\u003e\u003cp\u003eRam 1500 19-24 5.7L Hemi\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e3520H430\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eKooks 1 7\/8\" x 3\" Stainless Long Tube Header Kit is engineered for exceptional power and efficiency in 5.7L Hemi vehicles. Constructed from premium 304 stainless steel, the headers feature mandrel-bent 1 7\/8\" primaries flowing into 3\" collectors with welded O2 bungs for accurate sensor placement. The kit includes a 3\" x 2-3\/4\" Ultra Green Catted Stainless Steel Y-Pipe with OEM connections, providing a direct-fit solution with no custom tuning required.\n\nThis kit delivers up to 55 horsepower and 80 lb-ft torque gains while maintaining a direct replacement for factory parts. Optional connections allow integration with Kooks Street Type (KST) or Race Type (KRT) catback exhaust systems for either a refined tone or aggressive sound. Handcrafted in the USA, this high-performance kit ensures durability and superior flow. While not street-legal in California, it is backed by a lifetime warranty for peace of mind.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1 7\/8\" stainless steel long tube headers with 3\" collectors\u003c\/li\u003e\n\u003cli\u003e3\" x 2-3\/4\" Ultra Green Catted Stainless Steel Y-Pipe with OEM connections\u003c\/li\u003e\n\u003cli\u003eDirect-fit replacement, no tuning required\u003c\/li\u003e\n\u003cli\u003eOptional Kooks Street Type (KST) or Race Type (KRT) catback exhaust\u003c\/li\u003e\n\u003cli\u003eAdds up to 55 HP and 80 lb-ft torque\u003c\/li\u003e\n\u003cli\u003eIncludes all gaskets, hardware, and O2 extensions for installation\u003c\/li\u003e\n\u003cli\u003eMandrel-bent stainless steel for optimal flow and durability\u003c\/li\u003e\n\u003cli\u003eAggressive, high-performance exhaust tone\u003c\/li\u003e\n\u003cli\u003eHandcrafted in the USA\u003c\/li\u003e\n\u003cli\u003eNot CARB compliant; not legal in California\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":44003062546644,"sku":"3520H430","price":4784.35,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/5750_F143840402_005a6875-b749-4d0a-9fd2-2caa20e5bb29.webp?v=1766378299"},{"product_id":"kooks-long-tube-headers-mid-pipes-dodge-durango-srt-2018-2024","title":"Kooks Long Tube Headers \u0026 Mid Pipes: Fits Most Dodge\/Jeep 6.4L\/6.2L (12-23)","description":"\u003ch3\u003eKooks Long Tube Headers \u0026amp; Mid Pipes\u003c\/h3\u003e\u003cp\u003eFits Most Dodge\/Jeep 6.4L\/6.2L (12-23)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e3410H421 \/ 3410H621 \/ 3410H431 \/ 3410H631 \/ 3410H641\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eKooks Long Tube Headers \u0026amp; Mid Pipes are engineered for high-performance 6.4L SRT and 6.2L Hellcat vehicles to maximize horsepower, torque, and exhaust flow. Crafted from 304 stainless steel, the headers feature 1-7\/8\" or 2\" primaries, TIG-welded, mandrel-bent construction, blended flanges, venturi merge spikes, and welded O2 bungs. These long tube headers provide improved scavenging, reduced collector turbulence, and a powerful, aggressive exhaust tone.\n\nPaired with Kooks 3\" catted mid-pipes—available in standard, GREEN, or HIGH OUTPUT GREEN options—this system delivers optimal exhaust performance. All headers include O2 extension harnesses and complete installation hardware. Designed to bolt directly to the factory exhaust via Kooks connection pipes. Enhances throttle response, performance, and engine sound. Not compatible with California-licensed vehicles; not CARB compliant.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e304 stainless steel construction, TIG-welded and mandrel-bent\u003c\/li\u003e\n\u003cli\u003e1-7\/8\" or 2\" primaries with 3\" collectors\u003c\/li\u003e\n\u003cli\u003eIntegrated venturi merge spike for optimized exhaust scavenging\u003c\/li\u003e\n\u003cli\u003ePre-welded O2 bungs; includes O2 extension harnesses\u003c\/li\u003e\n\u003cli\u003eTIG-welded, continuous tube primaries for durability\u003c\/li\u003e\n\u003cli\u003eConnection pipes required to interface with stock exhaust\u003c\/li\u003e\n\u003cli\u003eMid-pipe options: 3\" standard catted, GREEN catted, or HIGH OUTPUT GREEN\u003c\/li\u003e\n\u003cli\u003eEPA-certified GREENCATS for 49-state legality (GREEN option)\u003c\/li\u003e\n\u003cli\u003eIncreases horsepower, torque, and throttle response\u003c\/li\u003e\n\u003cli\u003eProduces aggressive, high-performance exhaust tone\u003c\/li\u003e\n\u003cli\u003eDesigned for 6.2L Hellcat \u0026amp; 6.4L SRT vehicles\u003c\/li\u003e\n\u003cli\u003eNot legal for sale, installation, or use in California; not CARB compliant\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kooks Headers","offers":[{"title":"1 7\/8\" Stainless Headers and GREEN Catted Mid Pipes","offer_id":44002954182868,"sku":"3410H431","price":3772.26,"currency_code":"USD","in_stock":true},{"title":"1 7\/8\" Stainless Headers and CATTED CONNECTION KIT","offer_id":44002954215636,"sku":"3410H421","price":3232.26,"currency_code":"USD","in_stock":false},{"title":"2\" Stainless Headers and CATTED CONNECTION KIT","offer_id":44002954248404,"sku":"3410H621","price":3164.68,"currency_code":"USD","in_stock":false},{"title":"2\" Stainless Headers and GREEN Catted Mid Pipes","offer_id":44002954281172,"sku":"3410H631","price":3878.16,"currency_code":"USD","in_stock":true},{"title":"2\" Stainless Headers and HIGH OUTPUT GREEN Catted Mid Pipes","offer_id":44002954313940,"sku":"3410H641","price":4373.16,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0001640_0015_F143838844_ede3947a-56cb-475d-98a2-e08165f190b3.webp?v=1771902870"},{"product_id":"kooks-exhaust-system-dodge-durango-srt-2018-2024","title":"Kooks 3\" SS Cat-Back Exhaust System OEM Tips: Dodge Durango 18-22 6.4L 392","description":"\u003ch1\u003eKooks Headers 3\" Stainless Steel Cat-Back Exhaust System\u003c\/h1\u003e\n\u003ch2\u003eDodge Durango 18-22 6.4L 392\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 34104250\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks 3\" Stainless Steel Cat-Back Exhaust System is a premium upgrade designed specifically for the 2018 through 2024 Dodge Durango SRT 392 equipped with the 6.4L HEMI engine. Crafted for performance enthusiasts who demand enhanced power, aggressive exhaust tone, and refined style, this system delivers a noticeable improvement over the factory exhaust. Whether paired with Kooks headers and connection pipes or used with the OEM exhaust, it offers a seamless integration that elevates both driving experience and vehicle aesthetics.\u003c\/p\u003e\n\u003cp\u003eEngineered and handcrafted in the USA, this cat-back system balances durability with precision engineering, making it an ideal choice for those seeking a reliable, high-quality exhaust upgrade without the need for cutting or modifications.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eThis exhaust system incorporates advanced design elements and quality materials to maximize performance and sound quality. Key features include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMandrel-bent 3\" T304 stainless steel tubing for optimal exhaust flow and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eSplit rear-exit design featuring two polished oval mufflers for a distinctive look and sound\u003c\/li\u003e\n  \u003cli\u003eIncorporated X-pipe to improve scavenging and balance exhaust pulses, enhancing power delivery\u003c\/li\u003e\n  \u003cli\u003eCompatibility with both Kooks headers and factory exhaust systems for versatile installation options\u003c\/li\u003e\n  \u003cli\u003ePolished stainless steel tips that provide a sleek, OEM-style finish\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA ensuring meticulous quality control and craftsmanship\u003c\/li\u003e\n  \u003cli\u003eNo cutting or additional modifications required for installation\u003c\/li\u003e\n  \u003cli\u003eDesigned to maintain reliability and durability under demanding driving conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eThe system is constructed from premium 304-grade stainless steel, known for its excellent corrosion resistance and strength. Mandrel bending ensures smooth, unrestricted exhaust flow throughout the piping, minimizing turbulence and backpressure. The split rear-exit layout with dual polished mufflers not only enhances the visual appeal but also contributes to a balanced and aggressive exhaust note. The inclusion of an X-pipe further optimizes exhaust scavenging, improving overall engine efficiency.\u003c\/p\u003e\n\u003cp\u003eEvery component is handcrafted in the USA, reflecting Kooks’ commitment to precision engineering and high manufacturing standards. The polished stainless steel tips add a refined finishing touch that complements the Durango SRT’s aggressive styling.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eThis cat-back exhaust system is engineered to enhance horsepower and torque by improving exhaust flow dynamics. The X-pipe design promotes better scavenging, which helps the engine breathe more efficiently under load. The dual mufflers deliver a deep, aggressive exhaust tone that is both performance-oriented and refined enough for daily driving. This system provides a noticeable upgrade in sound character without excessive drone, making it suitable for spirited driving and track use alike.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThe Kooks 3\" Stainless Steel Cat-Back Exhaust System is designed for a direct bolt-on installation on 2018–2024 Dodge Durango SRT 392 models with the 6.4L HEMI engine. It requires no cutting, welding, or additional modifications, allowing for a straightforward and time-efficient upgrade. The system can be installed using existing factory hangers and hardware, and it is compatible with both Kooks headers and the OEM exhaust setup, providing flexibility depending on your current configuration.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e3\" mandrel-bent T304 stainless steel cat-back piping\u003c\/li\u003e\n  \u003cli\u003eDual polished oval mufflers with split rear-exit design\u003c\/li\u003e\n  \u003cli\u003eX-pipe for improved exhaust flow\u003c\/li\u003e\n  \u003cli\u003ePolished stainless steel exhaust tips\u003c\/li\u003e\n  \u003cli\u003eAll necessary clamps and hardware for installation\u003c\/li\u003e\n  \u003cli\u003eDetailed installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis exhaust system is ideal for Dodge Durango SRT 392 owners seeking a high-quality, durable upgrade that enhances performance and sound without compromising reliability. It suits enthusiasts who want a bold exhaust note and improved power delivery for street, weekend driving, or track use. Additionally, it appeals to those who prefer a clean, OEM-style appearance with polished stainless steel tips and a professional finish.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":44002954608852,"sku":"34104250","price":2534.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0066500_34104250_851d08af-f6dc-4481-bd83-c68c5e029a79.webp?v=1771724686"},{"product_id":"kooks-chrysler-5-7l-09-6-1l-6-4l-hemi-02-sensor-exts","title":"Kooks Chrysler 5.7L (09+)\/ 6.1L\/ \u0026 6.4L Hemi 02 Sensor Exts","description":"\u003ch3\u003eKooks 02 Sensor Exts\u003c\/h3\u003e\u003cp\u003eChrysler 5.7L (09+)\/ 6.1L\/ \u0026amp; 6.4L Hemi\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCAS-105067\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Kooks O2 Sensor Extension Kit is engineered for vehicles with 5.7L, 6.1L, and 6.4L HEMI engines to provide a dependable replacement for damaged or lost oxygen sensor harnesses. This kit includes two 6-inch front and two 18-inch rear 4-pin extensions, ensuring proper fitment and seamless connectivity with Kooks Long Tube Header systems.\n\nHandcrafted in the USA, these extensions uphold Kooks’ reputation for precision, durability, and performance. Each harness is designed to maintain accurate O2 sensor readings, supporting optimal engine tuning and exhaust efficiency. Ideal for replacement needs or upgrades, this kit ensures your exhaust system continues to deliver peak performance while maintaining compatibility with Kooks headers.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eReplacement O2 sensor extension kit for 5.7L, 6.1L, and 6.4L HEMI engines\u003c\/li\u003e\n\u003cli\u003eIncludes 2x 6-inch front 4-pin harnesses and 2x 18-inch rear 4-pin harnesses\u003c\/li\u003e\n\u003cli\u003eSeamlessly integrates with Kooks Long Tube Header systems\u003c\/li\u003e\n\u003cli\u003eEnsures proper oxygen sensor function and engine performance\u003c\/li\u003e\n\u003cli\u003eHigh-quality construction for durability and reliability\u003c\/li\u003e\n\u003cli\u003eHandcrafted in the USA\u003c\/li\u003e\n\u003cli\u003eIdeal for replacement of damaged or lost extensions\u003c\/li\u003e\n\u003cli\u003eMaintains accurate O2 sensor readings and exhaust efficiency\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":46206868619476,"sku":"CAS-105067","price":96.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0010705_1505_44d7a88aa85faad8efe50a8fc1494c60_2721cd19-6526-4b6d-9c86-840fd26af057.webp?v=1771902808"},{"product_id":"kooks-07-18-jeep-wrangler-hemi-swap-2-5in-stainless-steel-green-catted-y-pipe","title":"Kooks Swap 2.5in Stainless Steel GREEN Catted Y-Pipe: Jeep Wrangler 07-18 3.8L\/3.6L","description":"\u003ch3\u003eKooks Swap 2.5in Stainless Steel GREEN Catted Y-Pipe\u003c\/h3\u003e\u003cp\u003eJeep Wrangler 07-18 3.8L\/3.6L\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e37203300\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Kooks 2.5\" Stainless Steel GREEN Catted Y-Pipe is specifically designed for vehicles equipped with Gen3 HEMI engine swaps. Crafted from high-quality 304 stainless steel, this precision-engineered Y-pipe incorporates Kooks’ advanced GREEN catalytic converters—EPA-certified for high performance and reduced emissions. Designed to work with Kooks HEMI Swap Headers, it ensures optimal exhaust flow, improved efficiency, and long-term durability.\n\nDue to the custom nature of HEMI conversions, additional components may be required for proper installation. Kooks recommends contacting their technical support before ordering to confirm fitment. Proudly handcrafted in the USA, this Y-pipe exemplifies Kooks’ six decades of racing heritage, craftsmanship, and innovation in high-performance exhaust systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2.5\" T304 stainless steel GREEN Catted Y-Pipe\u003c\/li\u003e\n\u003cli\u003eDesigned for Gen3 HEMI engine swap applications\u003c\/li\u003e\n\u003cli\u003eIncludes Kooks EPA-certified GREEN high-flow catalytic converters\u003c\/li\u003e\n\u003cli\u003eOptimized for use with Kooks HEMI Swap Headers\u003c\/li\u003e\n\u003cli\u003eProvides enhanced exhaust flow and reduced emissions\u003c\/li\u003e\n\u003cli\u003eBuilt from durable, corrosion-resistant materials\u003c\/li\u003e\n\u003cli\u003eHandcrafted in the USA\u003c\/li\u003e\n\u003cli\u003eDue to custom fitment, additional components may be required\u003c\/li\u003e\n\u003cli\u003eContact Kooks before ordering for compatibility confirmation\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":46206869143764,"sku":"37203300","price":2157.3,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0059376_03b2bf41f08cdfe3d7b9909932be8313_215ab362-9bc6-434d-9527-deec2ea4dd45.webp?v=1771724517"},{"product_id":"kooks-2009-2015-ram-1500-hemi-02-sensor-extensions","title":"Kooks 02 Sensor Extensions: Fits Most Dodge\/Jeep 6.4L\/5.7L (11-18)","description":"\u003ch3\u003eKooks 02 Sensor Extensions\u003c\/h3\u003e\u003cp\u003eFits Most Dodge\/Jeep 6.4L\/5.7L (11-18)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCAS-104110\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eKooks O2 Sensor Extensions are designed to maintain optimal sensor performance when upgrading or replacing exhaust components. Crafted with precision and durability, this kit includes two 6-inch, 4-pin extension harnesses that provide the additional length needed for proper oxygen sensor installation in modified exhaust systems.\n\nEach harness is engineered for a secure connection, ensuring accurate sensor readings and consistent engine operation. These extensions are included with Kooks header kits where required but can be purchased separately as replacements for lost or damaged components. Handcrafted in the USA with the same commitment to quality that has defined Kooks for over five decades.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eIncludes (2) 6-inch, 4-pin oxygen sensor extension harnesses\u003c\/li\u003e\n\u003cli\u003eEnsures proper O2 sensor placement and signal integrity\u003c\/li\u003e\n\u003cli\u003eIdeal replacement for damaged or lost extensions\u003c\/li\u003e\n\u003cli\u003eHigh-quality, OEM-grade connectors for a secure fit\u003c\/li\u003e\n\u003cli\u003eCompatible with vehicles equipped with 5.7L HEMI engines\u003c\/li\u003e\n\u003cli\u003eDesigned for use with Kooks header systems\u003c\/li\u003e\n\u003cli\u003eEasy plug-and-play installation — no splicing required\u003c\/li\u003e\n\u003cli\u003eHandcrafted in the USA with premium materials for lasting reliability\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":46206869209300,"sku":"CAS-104110","price":35.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0000614_43bfac8d71aba574f3ff8879917a6085_df1661de-7fed-4164-9e56-9f77ca85e1f1.webp?v=1771672491"},{"product_id":"kooks-chrysler-6-1l-6-4l-hemi-cometic-mls-multi-layer-stainless-steel-exhaust-gaskets","title":"Kooks Cometic MLS (Multi-Layer Stainless Steel) Exhaust Gaskets: Fits Most Chrysler\/Dodge\/Jeep\/Ram (05-23)","description":"\u003ch3\u003eKooks Cometic MLS (Multi-Layer Stainless Steel) Exhaust Gaskets\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler\/Dodge\/Jeep\/Ram (05-23)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSS-755872\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eKooks Cometic MLS (Multi-Layer Stainless Steel) Exhaust Gaskets are engineered to deliver exceptional sealing performance for high-output HEMI engines. Designed to handle extreme temperatures and exhaust pressures, these gaskets feature precision-cut multi-layer stainless steel construction that prevents blowouts and leaks. Whether you’re upgrading your exhaust system or replacing damaged or missing gaskets, these durable components ensure maximum reliability and performance. Each gasket is crafted to fit perfectly, maintaining consistent sealing between the header and cylinder head under demanding street or track conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMulti-layer stainless steel (MLS) construction for superior strength and sealing\u003c\/li\u003e\n\u003cli\u003eWithstands extreme heat and pressure in performance applications\u003c\/li\u003e\n\u003cli\u003ePrecision-engineered for 6.1L, 6.2L, 6.4L, and 2009+ 5.7L HEMI engines\u003c\/li\u003e\n\u003cli\u003ePrevents exhaust leaks and blowouts for consistent performance\u003c\/li\u003e\n\u003cli\u003eDesigned as an upgrade or replacement for lost or damaged gaskets\u003c\/li\u003e\n\u003cli\u003eLong-lasting, corrosion-resistant design ensures durability\u003c\/li\u003e\n\u003cli\u003eCompatible with Kooks headers and factory-style exhaust setups\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":46206869340372,"sku":"SS-755872","price":42.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0010690_1511_e55ca238455d6b76203d2b2b0b7289ff_cae15b71-17fc-4554-b387-3a8ba1df02bf.webp?v=1771902807"},{"product_id":"kooks-1-7-8in-super-street-headers-chrysler-6-4l-6-2l-hemi-2012-2020","title":"Kooks 1-7\/8in Super Street Headers: Fits Most Chrysler\/Dodge 6.4L\/6.2L (12-23)","description":"\u003ch3\u003eKooks 1-7\/8in Super Street Headers\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler\/Dodge 6.4L\/6.2L (12-23)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e31021400\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eKooks 1-7\/8” Super Street Headers are engineered for performance, precision, and long-lasting quality. Built from premium 304 stainless steel, these headers feature 1-7\/8” mandrel-bent primary tubes and D-shaped ports for optimized exhaust scavenging, improved throttle response, and enhanced horsepower. Designed to fit vehicles equipped with 6.2L or 6.4L HEMI engines, these headers connect seamlessly to OEM catalytic converters, maintaining emissions compliance and eliminating the need for tuning or modifications. Each set includes gaskets, a bolt kit, and EGR provisions for easy installation. Perfect for enthusiasts seeking a durable, street-legal upgrade that delivers noticeable gains in sound, efficiency, and power.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePremium 304 stainless steel construction for strength and corrosion resistance\u003c\/li\u003e\n\u003cli\u003e1-7\/8” mandrel-bent primary tubes for optimal exhaust flow\u003c\/li\u003e\n\u003cli\u003eD-shaped ports ensure precise fit and improved gas velocity\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on installation to OEM catalytic converters—no cutting or tuning required\u003c\/li\u003e\n\u003cli\u003eIncludes gaskets, bolts, and EGR provisions for a complete installation\u003c\/li\u003e\n\u003cli\u003eDesigned to improve power, throttle response, and exhaust tone\u003c\/li\u003e\n\u003cli\u003eEngineered for durability in both street and performance applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":46206869635284,"sku":"31021400","price":1938.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0010683_1513_39bc0e5369846f9d1d054c9915f785c3_bbfc5f92-a4ec-4afe-87f5-a65cb83e8cb4.webp?v=1771902806"},{"product_id":"kooks-1-5-8in-x-1-3-4in-stainless-steel-torque-series-headers-ram-1500-5-7l-hemi-2019-2020","title":"Kooks 1-5\/8in x 1-3\/4in Stainless Steel Torque Series Headers: Ram 1500 19-24 5.7L Hemi","description":"\u003ch3\u003eKooks 1-5\/8in x 1-3\/4in Stainless Steel Torque Series Headers\u003c\/h3\u003e\u003cp\u003eRam 1500 19-24 5.7L Hemi\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e35201110\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eKooks Torque Series Headers offer high-performance exhaust solutions for 2019-2020 RAM 1500 5.7L HEMI trucks without the bulk of traditional long-tube headers. Constructed from premium 304 stainless steel, the 1-5\/8\" primary tubes step up to 1-3\/4\" for optimized flow, while the 3\/8\" thick flange with D-shaped ports ensures precise sealing and leak-free performance. Heavy-duty 16GA tubing and stepped construction maximize strength, reliability, and exhaust scavenging. Designed with EGR provisions, these headers connect directly to factory catalytic converters for a hassle-free installation. Included gaskets and hardware make installation straightforward, providing similar horsepower and torque gains to long-tube headers, with less weight and engine compartment space usage. Perfect for street, track, and off-road applications.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e1-5\/8\" stepped to 1-3\/4\" primary tubes for optimal flow\u003c\/li\u003e\n\u003cli\u003eHeavy-duty 16GA 304 stainless steel construction for strength and durability\u003c\/li\u003e\n\u003cli\u003e3\/8\" thick flange with D-shaped port for precise sealing\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on fit to OEM catalytic converters\u003c\/li\u003e\n\u003cli\u003eEGR provisions included\u003c\/li\u003e\n\u003cli\u003eIncludes gaskets and installation hardware—no additional parts required\u003c\/li\u003e\n\u003cli\u003eProvides long-tube header performance with less weight and compact design\u003c\/li\u003e\n\u003cli\u003eHandcrafted in the USA by Kooks, industry leaders in high-performance exhaust systems\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":46206869700820,"sku":"35201110","price":2756.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0010669_1515_610428b4a1572bcab02c366710b34130_8cd4d4fc-c9ca-4528-b6ee-d9b2dc383c39.webp?v=1771902805"},{"product_id":"kooks-1-5-8in-x-1-3-4in-stainless-steel-shorty-headers-dodge-1500-hemi-pick-up-truck-2009-2018","title":"Kooks Torque Series 1-5\/8\" x 1-3\/4\" Headers: Dodge Ram 1500 \/ Ram 1500 \/ 1500 Classic 09-23 5.7L Hemi","description":"\u003ch1\u003eKooks Headers Torque Series Shorty Headers\u003c\/h1\u003e\n\u003ch2\u003eDodge Ram 1500 \/ Ram 1500 \/ 1500 Classic 09-23 5.7L Hemi\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 35101110\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Torque Series 1-5\/8\" x 1-3\/4\" Shorty Headers are a premium exhaust upgrade designed specifically for the 2009–2018 Ram 1500 equipped with the 5.7L VVT HEMI engine. These headers replace the restrictive factory manifolds to improve exhaust flow, resulting in significant horsepower and torque gains. Ideal for enthusiasts seeking enhanced performance without sacrificing daily drivability, these headers deliver a noticeable boost in power and throttle response for street, track, and off-road applications.\u003c\/p\u003e\n\u003cp\u003eEngineered to optimize scavenging and exhaust velocity, the Torque Series headers provide a direct-fit solution that integrates seamlessly with the factory catalytic converters and emission systems. This makes them a practical upgrade for those wanting to maximize their HEMI’s potential while maintaining reliability and ease of installation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eDesigned with precision and performance in mind, these Kooks headers offer a range of advanced features:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1-5\/8\" primary tubes stepping up to 1-3\/4\" for improved exhaust flow and power delivery\u003c\/li\u003e\n  \u003cli\u003eStepped tube construction to maximize scavenging and enhance engine efficiency\u003c\/li\u003e\n  \u003cli\u003eHeavy-duty 16 gauge 304 stainless steel tubing for long-lasting durability and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003e3\/8\" thick 304 stainless steel flanges with D-shaped ports for a leak-resistant, precise fit\u003c\/li\u003e\n  \u003cli\u003eDirect bolt-on fitment to factory catalytic converters with provisions for EGR systems\u003c\/li\u003e\n  \u003cli\u003eProvides over 25 horsepower gain at 5,500 RPM and more than 40 lb-ft of torque at 4,100 RPM compared to stock manifolds\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA by Kooks, a leader in high-performance exhaust technology\u003c\/li\u003e\n  \u003cli\u003eIncludes all necessary gaskets and hardware for a complete installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks Torque Series Shorty Headers are meticulously crafted from premium 16 gauge 304 stainless steel, known for its excellent strength and resistance to rust and heat. The use of thick 3\/8\" stainless steel flanges with D-shaped ports ensures a perfect seal against the cylinder head, preventing exhaust leaks and improving overall efficiency.\u003c\/p\u003e\n\u003cp\u003eThe stepped primary tube design transitions from 1-5\/8\" to 1-3\/4\" diameter, which optimizes exhaust gas velocity and scavenging effect. This engineering detail enhances the engine’s breathing capability, allowing for improved combustion and power output. The headers are designed to maintain factory emission controls, including EGR provisions, making them a smart upgrade that balances performance with compliance.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eBy replacing the restrictive factory manifolds, these headers unlock significant performance gains, delivering over 25 horsepower and 40 lb-ft of torque improvements. The enhanced exhaust flow reduces backpressure, allowing the 5.7L HEMI to breathe more freely and respond quicker under acceleration.\u003c\/p\u003e\n\u003cp\u003eIn addition to power gains, the headers contribute to a more aggressive and refined exhaust note, enhancing the driving experience without excessive drone. This makes them suitable for both spirited street driving and more demanding track or off-road conditions.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Torque Series Shorty Headers are engineered for a direct bolt-on installation on 2009–2018 Ram 1500 trucks with the 5.7L VVT HEMI engine. They connect directly to the factory catalytic converters and include provisions for the EGR system, ensuring compatibility with stock emission components.\u003c\/p\u003e\n\u003cp\u003eAll necessary gaskets and hardware are included, simplifying the installation process and eliminating the need for additional parts. While professional installation is recommended to ensure proper fitment and torque specifications, these headers are designed to fit without modifications to the vehicle’s exhaust or engine bay.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eKooks Torque Series 1-5\/8\" x 1-3\/4\" Shorty Headers\u003c\/li\u003e\n  \u003cli\u003eAll required gaskets for a leak-free seal\u003c\/li\u003e\n  \u003cli\u003eComplete installation hardware kit\u003c\/li\u003e\n  \u003cli\u003eDetailed installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThese headers are perfect for Ram 1500 owners looking to upgrade their 5.7L VVT HEMI’s exhaust system for improved horsepower, torque, and throttle response. Whether you’re a street enthusiast, weekend racer, or off-road adventurer, the Kooks Torque Series Shorty Headers provide a reliable, high-quality solution to enhance your truck’s performance and sound without compromising emissions compliance or daily drivability.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":46206869831892,"sku":"35101110","price":2832.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0010659_1516_20cddeaa5fc9717562c10fca9312f714_27d92e01-3ebc-494a-bc2d-23a488e0f75a.webp?v=1771902805"},{"product_id":"kooks-2015-dodge-hellcat-02-sensor-extensions","title":"Kooks Oxygen Sensor Harness Extension Kit: Fits Most Dodge\/Jeep 6.2L (15-25)","description":"\u003ch1\u003eKooks Headers Oxygen Sensor Harness Extension Kit\u003c\/h1\u003e\n\u003ch2\u003eFits Most Dodge\/Jeep 6.2L (15-25)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e CAS-104322\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Headers Oxygen Sensor Harness Extension Kit is expertly designed to support high-performance header installations on select Dodge and Jeep models equipped with the 6.2L HEMI engine. This kit provides precision-engineered oxygen sensor extensions that ensure proper sensor placement and connectivity when upgrading to Kooks aftermarket headers. Ideal for enthusiasts and professional installers, these harness extensions maintain factory sensor signal integrity, preserving accurate engine management and optimal vehicle performance.\u003c\/p\u003e\n\u003cp\u003eWhether replacing damaged or lost oxygen sensor harnesses or upgrading your exhaust system, this kit offers a reliable, plug-and-play solution that complements Kooks header systems perfectly. Crafted with durability and fitment precision in mind, these extensions help maintain the performance and emissions control of your vehicle after header installation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eDesigned specifically for compatibility and durability, the Kooks Oxygen Sensor Harness Extension Kit includes:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect fit for 2015–2020 Dodge Challenger and Charger SRT Hellcat, Demon, Redeye, Widebody, Super Stock models\u003c\/li\u003e\n  \u003cli\u003eCompatible with 2018–2020 Jeep Grand Cherokee Trackhawk\u003c\/li\u003e\n  \u003cli\u003eTwo 6-inch front extension harnesses featuring 8-pin connectors for front oxygen sensors\u003c\/li\u003e\n  \u003cli\u003eTwo 18-inch rear extension harnesses with 4-pin connectors for rear oxygen sensors\u003c\/li\u003e\n  \u003cli\u003eConstructed to withstand high temperatures and harsh under-hood conditions\u003c\/li\u003e\n  \u003cli\u003eMaintains factory sensor signal accuracy for precise engine tuning and emissions control\u003c\/li\u003e\n  \u003cli\u003eIncluded in Kooks header kits where oxygen sensor extensions are required\u003c\/li\u003e\n  \u003cli\u003ePerfect replacement for damaged or lost oxygen sensor harnesses\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA with strict quality control standards\u003c\/li\u003e\n  \u003cli\u003eSuitable for both street and race applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks Headers builds these oxygen sensor extensions using premium materials engineered to endure the demanding environment of high-performance exhaust systems. The harnesses feature heat-resistant wiring and corrosion-resistant connectors designed to resist vibration and thermal stress. Each extension is manufactured to match the exact specifications of the original equipment harnesses, ensuring a secure, reliable connection that supports long-term durability and consistent sensor performance.\u003c\/p\u003e\n\u003cp\u003eHandcrafted in the USA, these extensions reflect Kooks’ legacy of quality and precision, backed by over 50 years of expertise in performance exhaust manufacturing. This craftsmanship guarantees that your oxygen sensors function flawlessly, preserving engine efficiency and emissions compliance.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eInstallation of the Kooks Oxygen Sensor Harness Extension Kit is straightforward and designed for seamless integration with Kooks header systems on the specified vehicles. These extensions replace factory oxygen sensor harnesses that may be too short or damaged after header installation, requiring no modifications to the vehicle’s wiring or sensors. The plug-and-play design ensures proper sensor placement and function, making it an ideal upgrade or replacement solution.\u003c\/p\u003e\n\u003cp\u003eProfessional installation is recommended to ensure optimal fitment and sensor operation, preserving the accuracy of your vehicle’s engine management system.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2 x 6-inch front oxygen sensor extension harnesses (8-pin connectors)\u003c\/li\u003e\n  \u003cli\u003e2 x 18-inch rear oxygen sensor extension harnesses (4-pin connectors)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOwners of 2015–2020 Dodge Challenger SRT Hellcat, Demon, Redeye, Widebody, and Super Stock models upgrading to Kooks headers\u003c\/li\u003e\n  \u003cli\u003eOwners of 2015–2020 Dodge Charger SRT Hellcat and Widebody models requiring reliable oxygen sensor extensions\u003c\/li\u003e\n  \u003cli\u003eOwners of 2018–2020 Jeep Grand Cherokee Trackhawk seeking proper sensor harness length after header installation\u003c\/li\u003e\n  \u003cli\u003ePerformance tuners and racers who need to maintain sensor accuracy and engine management after exhaust modifications\u003c\/li\u003e\n  \u003cli\u003eAnyone needing replacement oxygen sensor harness extensions due to damage or loss\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47280784310484,"sku":"CAS-104322","price":109.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0041797_a0195c2520200304db6aefe15bf6fcbe_4d841ef7-1e05-4e0e-a71b-c18b7242b819.webp?v=1771724566"},{"product_id":"kooks-mopar-6-1l-6-4l-hemi-1-7-8in-ss-6-1-hemi-mopar-flange-bank","title":"Kooks SS Mopar Flange (BANK): Fits Most Chrysler\/Dodge\/Jeep\/Ram (05-16)","description":"\u003ch3\u003eKooks Headers Stainless Steel Mopar Flange (BANK)\u003c\/h3\u003e\u003cp\u003eFits Most Chrysler\/Dodge\/Jeep\/Ram (05-16)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e7062-S\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Kooks Stainless Steel Mopar Flange (BANK) is a precision-engineered right side header flange designed specifically for Chrysler, Dodge, Jeep, and Ram vehicles equipped with 5.7, 6.1, 6.2, and 6.4 HEMI engines. Crafted to replace the factory flange, this component ensures a perfect fit and optimal sealing for your high-performance exhaust system. Ideal for enthusiasts looking to upgrade their exhaust headers, this flange supports enhanced exhaust flow and durability, making it a critical part of any performance exhaust build.\u003c\/p\u003e\u003cp\u003eWhether you’re upgrading a Chrysler 300, Dodge Challenger, Charger, Magnum, Jeep Grand Cherokee, or Ram 2500\/3500, this flange is engineered to meet the demands of street, race, and off-road applications. Kooks Headers and Exhaust has been a trusted name in high-performance exhaust components for over 50 years, and this flange continues that legacy with superior craftsmanship and fitment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned for maximum power and durability, the Kooks Mopar Flange offers:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from 3\/8\" thick 304 stainless steel for exceptional strength and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eStock bolt pattern ensures direct fitment with factory and aftermarket headers\u003c\/li\u003e\n\u003cli\u003eD-shaped port optimized for 1-7\/8\" primary tubes to enhance exhaust flow\u003c\/li\u003e\n\u003cli\u003eCompatible with 5.7, 6.1, 6.2, and 6.4 HEMI engines (not compatible with 2005–2008 5.7L HEMI heads)\u003c\/li\u003e\n\u003cli\u003eHandcrafted in the USA with rigorous dyno and race testing for proven performance\u003c\/li\u003e\n\u003cli\u003eSold individually to allow for precise replacement or custom exhaust builds\u003c\/li\u003e\n\u003cli\u003eMaintains factory bolt pattern for easy installation without modifications\u003c\/li\u003e\n\u003cli\u003eBacked by Kooks’ limited lifetime warranty to the original purchaser\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis flange is manufactured from premium T304 aircraft-quality stainless steel, known for its excellent resistance to heat, rust, and corrosion. The 3\/8-inch thickness provides a robust sealing surface that withstands the extreme temperatures and pressures of high-performance exhaust gases. The D-shaped port design is specifically engineered to match 1-7\/8-inch primary header tubes, ensuring smooth exhaust flow and reducing turbulence at the flange connection.\u003c\/p\u003e\u003cp\u003eKooks’ commitment to quality is evident in every flange, which is handcrafted in the USA by skilled technicians. This attention to detail guarantees precise dimensions and consistent fitment, critical for maintaining exhaust system integrity and maximizing power output.\u003c\/p\u003e\u003cp\u003ePerformance \u0026amp; Sound\u003c\/p\u003e\u003cp\u003eBy upgrading to the Kooks Stainless Steel Mopar Flange, you help maintain optimal exhaust flow from your headers, which can contribute to improved horsepower and torque. The precise fit and durable construction reduce the risk of leaks and backpressure, enhancing overall engine efficiency. While the flange itself does not alter sound directly, it supports the performance headers that deliver the aggressive exhaust note Mopar enthusiasts expect.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eInstallation is straightforward for experienced enthusiasts and professional mechanics alike. The flange uses the stock bolt pattern, allowing it to bolt directly onto compatible 5.7\/6.1\/6.2\/6.4 HEMI right side headers without modification. It is important to note that this flange is not compatible with 2005–2008 5.7L HEMI heads. Sold individually, it allows for replacement of a single flange or use in custom exhaust configurations.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eOne (1) Kooks Stainless Steel Mopar Right Side Header Flange (BANK)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis flange is perfect for Mopar enthusiasts upgrading or repairing their exhaust headers on Chrysler 300, Dodge Challenger, Charger, Magnum, Jeep Grand Cherokee, and Ram 2500\/3500 models equipped with 5.7 to 6.4 HEMI engines. It is especially suited for those seeking a durable, high-quality flange that supports maximum power gains and reliable performance in street, race, or off-road environments.\u003c\/p\u003e\u003cp\u003eFitment Summary\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eChrysler 300 Base (2005–2014), 300 C SRT8 (2005–2010), 300 SRT8 (2012–2014), 300 SRT8 Core (2013)\u003c\/li\u003e\n\u003cli\u003eDodge Challenger SRT8 (2008–2014), Challenger SRT 392 \u0026amp; Scat Pack (2015)\u003c\/li\u003e\n\u003cli\u003eDodge Charger SRT8 (2006–2014), Charger R\/T Scat Pack \u0026amp; SRT 392 (2015)\u003c\/li\u003e\n\u003cli\u003eDodge Magnum SRT8 (2006–2008)\u003c\/li\u003e\n\u003cli\u003eJeep Grand Cherokee SRT8 (2006–2013), SRT (2014–2015)\u003c\/li\u003e\n\u003cli\u003eRam 2500 \u0026amp; 3500 (2014–2016) various trims including Big Horn, Laramie, Laramie Limited, Longhorn, Lone Star, Outdoorsman, Power Wagon, SLT, Tradesman\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47280784343252,"sku":"7062-S","price":57.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0007132_2128_421e706f1976a0caa8826da3692144dd_dbe60b99-4e60-4fde-8b1f-bb0a0a9dae37.webp?v=1771902794"},{"product_id":"kooks-2015-dodge-challenger-hellcat-3in-oem-style-cat-back-exhaust-system-uses-oem-tips","title":"Kooks 3\" SS Cat-Back OEM Tips: Dodge Challenger 15-22 6.2L Hellcat","description":"\u003ch1\u003eKooks Headers OEM Style 3\" Cat-Back Exhaust System\u003c\/h1\u003e\n\u003ch2\u003eDodge Challenger 15-22 6.2L Hellcat\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 31634220\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Headers OEM Style 3-inch Cat-Back Exhaust System is expertly designed for Dodge Challenger enthusiasts who demand a perfect blend of enhanced performance, aggressive sound, and factory-correct aesthetics. Compatible with 2015 through 2023 Dodge Challenger models including the SRT Hellcat, Demon, Jailbreak, Redeye, Widebody, and Super Stock variants, this system upgrades your exhaust flow while maintaining the use of your original equipment manufacturer (OEM) exhaust tips for a seamless, stock appearance.\u003c\/p\u003e\n\u003cp\u003eHandcrafted in the USA by Kooks Headers, a trusted leader in high-performance exhaust technology for over five decades, this cat-back system delivers noticeable horsepower and torque improvements alongside a refined, aggressive exhaust note. It is engineered for street driving, racing, and off-road use where durability, fitment, and quality craftsmanship are essential.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eBuilt to maximize power and reliability, the Kooks OEM Style Cat-Back Exhaust System offers:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePremium 304 stainless steel construction for exceptional corrosion resistance and long-lasting durability\u003c\/li\u003e\n  \u003cli\u003e16-gauge mandrel-bent tubing that ensures smooth exhaust flow and optimal engine performance\u003c\/li\u003e\n  \u003cli\u003e3-inch diameter cat-back piping with a 2-3\/4 inch inlet designed to perfectly match OEM headers and connection pipes\u003c\/li\u003e\n  \u003cli\u003eIncorporation of a 3-inch X-pipe to balance exhaust pulses and improve scavenging efficiency\u003c\/li\u003e\n  \u003cli\u003eKooks 10-inch and 14-inch round race mufflers tuned for a deep, aggressive tone while minimizing drone\u003c\/li\u003e\n  \u003cli\u003eReuse of OEM exhaust tips and clamps to maintain a clean, factory-correct look\u003c\/li\u003e\n  \u003cli\u003eComplete hardware and clamps included for straightforward, bolt-on installation\u003c\/li\u003e\n  \u003cli\u003eDyno and race tested to ensure maximum power gains and durability under demanding conditions\u003c\/li\u003e\n  \u003cli\u003eLimited lifetime warranty to the original purchaser\u003c\/li\u003e\n  \u003cli\u003eManufactured entirely in the USA by a family-owned company with three generations of expertise\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eThis cat-back exhaust system is meticulously crafted from premium T304 aircraft-quality stainless steel, renowned for its outstanding strength and resistance to rust and corrosion. The 16-gauge mandrel-bent tubing preserves smooth exhaust flow by eliminating restrictions and sharp bends, optimizing horsepower and torque output.\u003c\/p\u003e\n\u003cp\u003eThe design features a 3-inch X-pipe that enhances exhaust scavenging and balances cylinder pulses, resulting in improved engine efficiency and a more refined exhaust note. The system’s mufflers are race-style units specifically tuned to provide a deep, aggressive sound while minimizing unwanted drone during cruising, ensuring a comfortable driving experience.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eThe Kooks OEM Style Cat-Back Exhaust System is engineered to unlock the full potential of your Dodge Challenger’s powertrain. By reducing backpressure and improving exhaust flow, this system helps increase horsepower and torque across the RPM range. The inclusion of the X-pipe and race mufflers delivers a rich, throaty exhaust tone that enhances the driving experience without overwhelming cabin comfort.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eDesigned as a direct bolt-on replacement for the factory cat-back system, this Kooks exhaust fits 2015–2023 Dodge Challenger models equipped with OEM or Kooks headers and OEM connection pipes. It reuses the factory exhaust tips and clamps, ensuring seamless integration with your vehicle’s existing components. Installation requires no cutting or welding, making it accessible for professional installers and experienced enthusiasts alike.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e3-inch diameter cat-back exhaust piping\u003c\/li\u003e\n  \u003cli\u003e3-inch X-pipe\u003c\/li\u003e\n  \u003cli\u003eKooks 10-inch and 14-inch round race mufflers\u003c\/li\u003e\n  \u003cli\u003eClamps and hardware necessary for installation\u003c\/li\u003e\n  \u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis exhaust system is perfect for Dodge Challenger owners who want to enhance performance and sound while maintaining a factory-correct appearance. It suits street drivers, weekend racers, and enthusiasts who demand quality craftsmanship and proven race-tested technology. Whether you drive a Hellcat, Demon, Redeye, Jailbreak, Widebody, or Super Stock, this Kooks cat-back system delivers reliable power gains and an aggressive exhaust note without compromising daily drivability.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47280784408788,"sku":"31634220","price":3047.52,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0041790_c286df634b498d779132f49212e27e7e_78415247-6fd9-4d2f-b265-de0464eb6fb7.webp?v=1771724565"},{"product_id":"kooks-2015-dodge-challenger-charger-hellcat-2in-x-3in-ss-headers-w-green-catted-connection-pipe","title":"Kooks 2\" x 3\" Longtube Headers \u0026 3\" H.O. GREEN Catted Mid Pipe Kit: Fits Most Chrysler\/Dodge 6.4L\/6.2L\/6.1L (05-23)","description":"\u003ch1\u003eKooks Headers Longtube Headers \u0026amp; H.O. Green Catted Mid Pipe Kit\u003c\/h1\u003e\n\u003ch2\u003eFits Most Chrysler\/Dodge 6.4L\/6.2L\/6.1L (05-23)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 3103H641\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks 2\" x 3\" Longtube Headers combined with 3\" High Output Green Catted Mid Pipe Kit is a premium exhaust upgrade designed specifically for the 2015–2023 Dodge Challenger and Charger SRT Hellcat equipped with the 6.2L HEMI engine. This system is engineered to enhance exhaust flow, increase horsepower and torque, and deliver a more aggressive exhaust tone while maintaining emissions compliance through the integrated high-output catalytic converters.\u003c\/p\u003e\n\u003cp\u003eCrafted by Kooks Headers, a trusted name in performance exhaust systems for over five decades, this kit is ideal for muscle car enthusiasts seeking a reliable, high-quality solution for street, track, and performance applications. It offers a direct-fit upgrade that replaces restrictive factory manifolds and mid pipes, unlocking the full potential of the Hellcat’s supercharged V8.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eDesigned to maximize power gains and durability, the Kooks Longtube Headers and Green Catted Mid Pipe Kit include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePremium T304 aircraft-grade stainless steel construction for exceptional strength and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003e2\" primary tube diameter expanding to 3\" collector outlets for optimized exhaust scavenging and reduced backpressure\u003c\/li\u003e\n  \u003cli\u003e3\" diameter high-output green catted mid pipes that balance emissions control with performance enhancement\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA with meticulous attention to fitment and finish\u003c\/li\u003e\n  \u003cli\u003eDirect bolt-on design for 2015–2023 Dodge Challenger and Charger SRT Hellcat 6.2L HEMI engines\u003c\/li\u003e\n  \u003cli\u003eDoes not connect to OEM exhaust; designed to mate with aftermarket 3\" exhaust systems\u003c\/li\u003e\n  \u003cli\u003eDyno and race tested to ensure reliable power gains and durability under demanding conditions\u003c\/li\u003e\n  \u003cli\u003eBacked by a limited lifetime warranty to the original purchaser\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks Headers are expertly fabricated from T304 stainless steel, an aircraft-quality material known for its outstanding heat resistance and longevity. The longtube header design improves exhaust gas flow by minimizing turbulence and backpressure, which enhances engine efficiency and power output. Each header and mid pipe is handcrafted in the USA, ensuring precise fitment and superior craftsmanship.\u003c\/p\u003e\n\u003cp\u003eThe integrated green catted mid pipes feature high-output catalytic converters that provide a balance between emissions compliance and performance gains. This thoughtful design allows enthusiasts to upgrade their exhaust system without sacrificing environmental considerations where applicable.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eThis header and mid pipe kit unlocks the full potential of the Hellcat’s supercharged 6.2L HEMI by improving exhaust scavenging and flow dynamics. The result is a noticeable increase in horsepower and torque across the entire RPM range. Additionally, the stainless steel construction and longtube design contribute to a deeper, more aggressive exhaust note that enhances the driving experience without excessive drone or harshness.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Longtube Headers and Green Catted Mid Pipe Kit are designed for direct bolt-on installation on 2015–2023 Dodge Challenger and Charger SRT Hellcat models equipped with the 6.2L HEMI engine. Because these headers do not connect to the OEM exhaust, they require an aftermarket exhaust system with 3\" outlets for proper integration. Professional installation is recommended to ensure correct fitment, alignment, and optimal performance, especially when paired with custom or modified exhaust setups.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2\" x 3\" Stainless Steel Longtube Headers\u003c\/li\u003e\n  \u003cli\u003e3\" x 3\" Outlet High Output Green Catted Stainless Steel Mid Pipes\u003c\/li\u003e\n  \u003cli\u003eAll necessary hardware for header installation\u003c\/li\u003e\n  \u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis kit is perfect for muscle car enthusiasts and performance builders who own a 2015–2023 Dodge Challenger or Charger SRT Hellcat with the 6.2L HEMI engine. It suits those looking to increase engine output, improve exhaust sound quality, and upgrade their exhaust system with a high-quality, American-made product designed for both street and track use.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47280788078804,"sku":"3103H641","price":3941.35,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0041736_03b2bf41f08cdfe3d7b9909932be8313_264c9d52-fc61-4ade-877a-488a93a0ac3f.webp?v=1771724561"},{"product_id":"kooks-15-18-dodge-charger-durango-2-75in-oem-round-tips-polished","title":"Kooks Headers Polished 2.75in OEM Round Tips: Dodge Charger \/ Durango 15-23 6.4L 392","description":"\u003ch3\u003eKooks Headers Polished 2.75in OEM Round Tips\u003c\/h3\u003e\u003cp\u003eDodge Charger \/ Durango 15-23 6.4L 392\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e31524T00\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Kooks Headers Polished 2.75in OEM Round Tips are precision-crafted exhaust tips designed to enhance the appearance and performance of your Dodge Charger or Durango. Featuring a polished finish and a sleek slash-cut design, these tips provide a refined, aggressive look that complements both factory and aftermarket exhaust systems. Ideal for enthusiasts seeking to upgrade their vehicle’s exhaust aesthetics without compromising fitment or requiring extensive modifications.\u003c\/p\u003e\u003cp\u003eManufactured by Kooks Headers, a leader in high-performance exhaust technology for over 50 years, these tips embody quality craftsmanship and durability. They are engineered to seamlessly connect to the OEM 2.75-inch swivel-seal exhaust outlets, ensuring a secure fit and easy installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned to deliver both style and function, the Kooks Polished OEM Round Tips offer the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e4-inch outside diameter polished stainless steel slash-cut tip for a bold, aggressive appearance\u003c\/li\u003e\n\u003cli\u003eEmbossed Kooks logo for authentic branding and premium aesthetics\u003c\/li\u003e\n\u003cli\u003eClamp-on design that connects directly to the OEM 2.75-inch swivel-seal exhaust outlet\u003c\/li\u003e\n\u003cli\u003eCompatible with factory exhaust systems as well as Kooks exhaust systems designed for OEM tips\u003c\/li\u003e\n\u003cli\u003eReuses the OEM clamp for a secure and vibration-free fit (OEM clamp not included)\u003c\/li\u003e\n\u003cli\u003eSold individually to allow customization of dual or single exhaust setups\u003c\/li\u003e\n\u003cli\u003eHandcrafted in the USA with a focus on quality and durability\u003c\/li\u003e\n\u003cli\u003eCorrosion-resistant polished finish maintains appearance over time\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eEach tip is meticulously handcrafted from high-grade stainless steel, ensuring long-lasting corrosion resistance and a mirror-like polished finish that resists discoloration from heat and road elements. The slash-cut design not only enhances the visual appeal but also aids in directing exhaust gases away from the vehicle’s body, reducing potential heat damage. The embossed Kooks logo adds a subtle yet distinctive touch of authenticity and craftsmanship.\u003c\/p\u003e\u003cp\u003eThe clamp-on design utilizes the OEM swivel-seal connection, allowing for a straightforward installation process without the need for welding or cutting. This design preserves the integrity of the factory exhaust system while providing an upgraded look.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eInstallation is simple and requires no permanent modifications. The tips attach directly to the OEM 2.75-inch exhaust outlets using the existing OEM clamp, which must be reused (clamp not included). This ensures a tight, secure fit that resists loosening under normal driving conditions. These tips are compatible with both factory exhaust systems and Kooks exhaust systems specifically designed to accept OEM-style tips.\u003c\/p\u003e\u003cp\u003eFitment covers a broad range of Dodge performance models, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2015–2018 Dodge Charger SRT 392\u003c\/li\u003e\n\u003cli\u003e2017–2018 Dodge Charger Daytona 392\u003c\/li\u003e\n\u003cli\u003e2017–2018 Dodge Charger R\/T 392\u003c\/li\u003e\n\u003cli\u003e2019–2020 Dodge Charger Scat Pack\u003c\/li\u003e\n\u003cli\u003e2015–2023 Dodge Charger Scat Pack\u003c\/li\u003e\n\u003cli\u003e2018–2020 Dodge Durango SRT\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eOne (1) Kooks Polished 4-inch O.D. Slash-Cut Exhaust Tip with embossed Kooks logo\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis product is perfect for Dodge Charger and Durango owners who want to upgrade their vehicle’s exhaust appearance with a high-quality, durable tip that fits seamlessly with OEM or Kooks exhaust systems. It is especially suited for enthusiasts who appreciate American-made craftsmanship and desire a clean, aggressive look without complicated installation.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47280788308180,"sku":"31524T00","price":99.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0007077_2152_ac6acd1b5317fc3083ad79eee2f41f27_ff2bc8ed-57da-4299-b9e7-dae927727c94.webp?v=1771902790"},{"product_id":"kooks-15-18-dodge-charger-durango-2-75in-oem-round-tips-black","title":"Kooks Headers Black 2.75in OEM Round Tips: Dodge Charger \/ Durango 15-23 6.4L 392","description":"\u003ch3\u003eKooks Headers Black 2.75in OEM Round Tips\u003c\/h3\u003e\u003cp\u003eDodge Charger \/ Durango 15-23 6.4L 392\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e31524T10\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Kooks Headers Black 2.75in OEM Round Tips are precision-engineered exhaust tips designed specifically for Dodge Charger models from 2015 through 2023 and Dodge Durango SRT models from 2018 to 2020. Crafted by Kooks Headers, a leader in high-performance exhaust systems since 1962, these tips offer a perfect blend of style, durability, and seamless integration with your vehicle’s factory or aftermarket exhaust system. Ideal for enthusiasts seeking to enhance the rear-end appearance of their Dodge while maintaining OEM fitment and function.\u003c\/p\u003e\u003cp\u003eThese clamp-on tips feature a sleek black ceramic coating and a polished slash-cut design embossed with the Kooks logo, delivering a refined yet aggressive look that complements the muscular stance of your Charger or Durango SRT. They connect effortlessly to the OEM 2.75-inch swivel-seal connection, reusing the factory clamp for a hassle-free installation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned with both aesthetics and performance in mind, these Kooks exhaust tips provide the following benefits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBlack ceramic coated finish for superior corrosion resistance and a stealthy appearance\u003c\/li\u003e\n\u003cli\u003e4-inch outer diameter slash-cut tip with embossed Kooks branding for a distinctive look\u003c\/li\u003e\n\u003cli\u003eClamp-on design that connects to the OEM 2.75-inch swivel-seal connection, ensuring a secure fit\u003c\/li\u003e\n\u003cli\u003eCompatible with factory exhaust systems as well as Kooks exhaust setups designed for OEM tips\u003c\/li\u003e\n\u003cli\u003eReuses the original equipment manufacturer clamp for easy installation without additional hardware\u003c\/li\u003e\n\u003cli\u003eSold individually to allow customization of dual or single exhaust configurations\u003c\/li\u003e\n\u003cli\u003eHandcrafted in the USA by Kooks, a trusted name with over 50 years of performance exhaust expertise\u003c\/li\u003e\n\u003cli\u003eDurable construction that withstands high temperatures and road conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eKooks Headers manufactures these exhaust tips using premium materials and advanced ceramic coating technology to ensure long-lasting durability and resistance to heat and corrosion. The black ceramic finish not only enhances the visual appeal but also protects the tip from discoloration and wear caused by exhaust gases and environmental exposure. The 4-inch diameter slash-cut design is engineered to complement the aggressive styling cues of Dodge Charger and Durango SRT models, while the embossed Kooks logo adds a subtle touch of authenticity and craftsmanship.\u003c\/p\u003e\u003cp\u003eEach tip is meticulously handcrafted in the USA, reflecting Kooks’ commitment to quality and performance. The swivel-seal connection system allows for precise alignment and a tight seal with the OEM exhaust outlet, minimizing exhaust leaks and rattles.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eInstallation is straightforward and requires no modifications to your vehicle’s existing exhaust system. The tips clamp directly onto the OEM 2.75-inch swivel-seal connection, utilizing the factory clamp for a secure and vibration-free fit. This design ensures that the tips can be easily removed or replaced without damage to the exhaust pipes. These tips are compatible with the following vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2015–2018 Dodge Charger SRT 392\u003c\/li\u003e\n\u003cli\u003e2017–2018 Dodge Charger Daytona 392\u003c\/li\u003e\n\u003cli\u003e2017–2018 Dodge Charger R\/T 392\u003c\/li\u003e\n\u003cli\u003e2019–2020 Dodge Charger Scat Pack\u003c\/li\u003e\n\u003cli\u003e2015–2023 Dodge Charger (general fitment)\u003c\/li\u003e\n\u003cli\u003e2018–2020 Dodge Durango SRT\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOne (1) Kooks Black Ceramic Coated 4\" O.D. Slash-Cut Exhaust Tip with embossed Kooks logo\u003c\/li\u003e\n\u003cli\u003eInstallation instructions (if applicable)\u003c\/li\u003e\n\u003cli\u003eNote: OEM clamp is reused and not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis product is perfect for Dodge Charger and Durango SRT owners who want to upgrade their exhaust tips with a high-quality, durable, and visually striking component that maintains OEM fitment. Whether you are enhancing a factory exhaust or complementing a Kooks performance exhaust system, these tips provide a refined finishing touch that elevates your vehicle’s rear-end styling without compromising functionality.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47280788406484,"sku":"31524T10","price":104.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0007073_2153_fc4ffd586b518c0d22ae583387600afa_ee232a0d-ce24-4733-8111-23c82849ab97.webp?v=1771902789"},{"product_id":"kooks-dodge-hemi-09-5-7-6-1l-6-2l-stg-8-header-bolt-kit-m8-1-25-x-25mm-bolts-and-locking-hardware","title":"Kooks Stage 8 Header Bolt Kit: Fits Most Chrysler\/Dodge\/Jeep\/Ram (05-20)","description":"\u003ch1\u003eKooks Headers Stage 8 Header Bolt Kit\u003c\/h1\u003e\n\u003ch2\u003eFits Most Chrysler\/Dodge\/Jeep\/Ram (05-20)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e BK111\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Headers Stage 8 Header Bolt Kit is a precision-engineered replacement bolt set designed specifically for high-performance Chrysler, Dodge, Jeep, and Ram vehicles equipped with HEMI engines ranging from 5.7L VVT to 6.4L 392 and 6.2L Hellcat variants. This kit is essential for enthusiasts and professional installers who need to replace damaged, lost, or worn header bolts to maintain a secure, leak-free exhaust header installation.\u003c\/p\u003e\n\u003cp\u003eCrafted to meet the rigorous standards of Kooks Headers and Exhaust, this bolt kit ensures reliable fastening that supports optimal exhaust flow and engine performance. Whether restoring your vehicle’s exhaust system or upgrading to Kooks headers, this kit delivers the durability and fitment precision required for a professional-grade installation.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eEngineered for quality and performance, the Kooks Stage 8 Header Bolt Kit offers:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes 16 M8 - 1.25 x 25mm stainless steel bolts for secure header attachment\u003c\/li\u003e\n  \u003cli\u003eCompatible with a wide range of Chrysler, Dodge, Jeep, and Ram models equipped with HEMI engines\u003c\/li\u003e\n  \u003cli\u003eManufactured from premium T304 aircraft-quality stainless steel for superior corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA by Kooks Headers, a leader in high-performance exhaust systems since 1962\u003c\/li\u003e\n  \u003cli\u003eReplacement kit designed to match original hardware specifications for perfect fitment\u003c\/li\u003e\n  \u003cli\u003eBacked by Kooks’ limited lifetime warranty to the original purchaser\u003c\/li\u003e\n  \u003cli\u003eTested and proven in dyno and race environments for maximum durability and performance\u003c\/li\u003e\n  \u003cli\u003eStage 8 bolt design optimized to resist loosening from thermal expansion and vibration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks utilizes premium T304 stainless steel, known for its exceptional strength, heat resistance, and corrosion protection. This ensures the bolts maintain their integrity and appearance even under extreme operating conditions typical of high-performance exhaust systems.\u003c\/p\u003e\n\u003cp\u003eEach bolt is precision-machined to exacting tolerances, guaranteeing a secure fit that maintains proper header alignment and sealing. Manufactured in the USA under strict quality control standards, these bolts uphold Kooks’ reputation for craftsmanship and reliability.\u003c\/p\u003e\n\u003cp\u003eThe Stage 8 design specifically addresses the challenges of thermal cycling and vibration, preventing loosening and exhaust leaks over time, which is critical for maintaining peak engine performance and exhaust efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis bolt kit serves as a direct replacement for the original header bolts on compatible vehicles, requiring no modifications to headers or engine components. Installation is straightforward for anyone familiar with header or exhaust system work. Proper torque specifications must be followed to ensure a secure seal and prevent damage.\u003c\/p\u003e\n\u003cp\u003eFitment covers a broad range of popular HEMI-powered models, including:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2005–2010 Chrysler 300C 6.1L SRT8\u003c\/li\u003e\n  \u003cli\u003e2006–2008 Dodge Magnum 6.1L SRT8\u003c\/li\u003e\n  \u003cli\u003e2006–2010 Dodge Charger 6.1L SRT8\u003c\/li\u003e\n  \u003cli\u003e2008–2010 Dodge Challenger 6.1L SRT8\u003c\/li\u003e\n  \u003cli\u003e2009–2020 Dodge Charger 5.7L HEMI\u003c\/li\u003e\n  \u003cli\u003e2009–2024 Chrysler 300 5.7L HEMI\u003c\/li\u003e\n  \u003cli\u003e2011–2018 Dodge Durango 6.4L 392\u003c\/li\u003e\n  \u003cli\u003e2011–2018 Jeep Grand Cherokee 5.7L HEMI \u0026amp; 6.1L SRT8\u003c\/li\u003e\n  \u003cli\u003e2011–2020 Dodge Challenger 5.7L HEMI, 6.2L Hellcat, 6.4L 392\u003c\/li\u003e\n  \u003cli\u003e2011–2024 Dodge Charger 6.4L 392\u003c\/li\u003e\n  \u003cli\u003e2011–2020 Ram 1500 5.7L HEMI\u003c\/li\u003e\n  \u003cli\u003e2015–2018 Jeep Grand Cherokee 6.4L SRT8\u003c\/li\u003e\n  \u003cli\u003e2015–2020 Dodge Charger 6.2L Hellcat\u003c\/li\u003e\n  \u003cli\u003e2015–2024 Ram 1500 6.2L TRX\u003c\/li\u003e\n  \u003cli\u003e2015–2024 Ram 2500 \u0026amp; 3500 5.7L HEMI, 6.4L 392\u003c\/li\u003e\n  \u003cli\u003e2007–2017 Jeep Wrangler \u0026amp; 2018 Jeep Wrangler JK\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e16 x M8 - 1.25 x 25mm stainless steel header bolts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis bolt kit is perfect for automotive enthusiasts, professional mechanics, and racers who require a reliable replacement for lost or damaged header bolts. It is especially suited for those upgrading or maintaining Kooks headers on HEMI-powered Chrysler, Dodge, Jeep, and Ram vehicles, ensuring a secure and durable exhaust system installation that withstands the rigors of performance driving and daily use.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47280801513684,"sku":"BK111","price":68.22,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0000068_c7a214793b51152c7866436e4b20ee1eL_cbd354c0-464d-4976-83c1-7b38c80b6604.webp?v=1771672448"},{"product_id":"kooks-11-20-dodge-durango-1-7-8-x-3-header-catted-3in-connection-kit","title":"Kooks 1.875\" Longtube Headers \u0026 OEM Catted Mid Pipes: Dodge Durango \/ Jeep Grand Cherokee 11-26 5.7L Hemi","description":"\u003ch1\u003eKooks Headers Longtube Headers \u0026amp; OEM Catted Mid Pipes\u003c\/h1\u003e\n\u003ch2\u003eDodge Durango \/ Jeep Grand Cherokee 11-26 5.7L Hemi\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 3610H421\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Headers 1.875\" Longtube Headers \u0026amp; OEM Catted Mid Pipes kit is a premium exhaust upgrade designed specifically for the 2011 through 2023 Dodge Durango and Jeep Grand Cherokee equipped with the 5.7L VVT HEMI engine. This complete header and connection pipe system replaces the factory exhaust manifolds and mid pipes with high-flow long tube headers and integrated catalytic converters, enhancing exhaust flow and engine efficiency.\u003c\/p\u003e\n\u003cp\u003eEngineered for enthusiasts seeking improved throttle response, increased horsepower, and a more aggressive exhaust tone, this kit offers a direct bolt-on solution that maintains emissions compliance. Whether for spirited street driving, off-road performance, or track use, Kooks delivers a durable, race-proven exhaust upgrade handcrafted in the USA.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eThis Kooks header and connection kit combines precision engineering with quality materials to deliver reliable performance gains and long-term durability:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1-7\/8 inch primary tube diameter paired with 3 inch collectors for optimized exhaust scavenging and flow\u003c\/li\u003e\n  \u003cli\u003eIncludes stainless steel long tube headers and OEM-style 3 inch stainless catted connection pipes\u003c\/li\u003e\n  \u003cli\u003eConstructed from premium T304 aircraft-quality stainless steel for superior corrosion resistance and strength\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA with meticulous attention to weld quality and fitment\u003c\/li\u003e\n  \u003cli\u003eDyno and race tested to ensure maximum power output and reliability under demanding conditions\u003c\/li\u003e\n  \u003cli\u003eDirect bolt-on fitment for 2011–2023 Dodge Durango and Jeep Grand Cherokee models, including the Grand Cherokee L (2021–2022)\u003c\/li\u003e\n  \u003cli\u003eIntegrated catalytic converters maintain factory-like emissions compliance without sacrificing performance\u003c\/li\u003e\n  \u003cli\u003eLimited lifetime warranty to the original purchaser for peace of mind\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks utilizes T304 stainless steel, renowned for its exceptional durability, heat resistance, and corrosion protection, ensuring these headers withstand the rigors of daily driving and high-performance use. Each header is handcrafted in the USA by skilled technicians, guaranteeing precise welds and consistent quality control.\u003c\/p\u003e\n\u003cp\u003eThe 1-7\/8 inch primary tubes are engineered to optimize exhaust gas scavenging, improving engine breathing and efficiency. The 3 inch collectors and OEM-style catted connection pipes maintain smooth exhaust flow while integrating catalytic converters to meet emissions standards. This thoughtful design balances performance gains with environmental responsibility.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eReplacing the restrictive factory manifolds with long tube headers significantly reduces exhaust backpressure, resulting in improved horsepower and torque, particularly in the mid to high RPM range. Drivers will notice enhanced throttle response and a deeper, more aggressive exhaust note that enriches the driving experience without excessive drone or harshness.\u003c\/p\u003e\n\u003cp\u003eThe integrated catalytic converters ensure that these performance improvements do not compromise emissions compliance, making this kit suitable for street-driven vehicles as well as off-road and racing applications.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis Kooks header and connection kit is designed for direct bolt-on installation on compatible 2011–2023 Dodge Durango and Jeep Grand Cherokee 5.7L HEMI models, including the 2021–2022 Grand Cherokee L. Installation requires standard hand tools and moderate mechanical knowledge, with no major modifications or cutting necessary, preserving the integrity of your vehicle’s exhaust system.\u003c\/p\u003e\n\u003cp\u003eProfessional installation is recommended to ensure proper fitment and to maximize performance benefits.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1-7\/8 inch x 3 inch stainless steel long tube headers\u003c\/li\u003e\n  \u003cli\u003e3 inch stainless steel OEM-style catted connection pipes\u003c\/li\u003e\n  \u003cli\u003eAll necessary gaskets and hardware for installation\u003c\/li\u003e\n  \u003cli\u003eDetailed installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis Kooks header and connection kit is ideal for Dodge Durango and Jeep Grand Cherokee owners who want to upgrade their exhaust system for enhanced power, improved throttle response, and a more aggressive exhaust tone. It suits street performance enthusiasts, off-road adventurers, and racers who demand reliable, high-quality components backed by decades of racing heritage and American craftsmanship.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47280802660564,"sku":"3610H421","price":3195.42,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0041613_03b2bf41f08cdfe3d7b9909932be8313_1129d3ba-acc5-40eb-83d1-3745cb9ad956.webp?v=1771724555"},{"product_id":"kooks-2011-jeep-grand-cherokee-5-7l-3in-x-oem-ss-green-catted-connection-pipes","title":"Kooks Headers 3\" SS Green Catted Mid Pipes: Dodge Durango \/ Jeep Grand Cherokee 11-26 5.7L Hemi w\/ Longtubes","description":"\u003ch1\u003eKooks Headers Stainless Steel Green Catted Mid Pipes (F\u0026amp;R)\u003c\/h1\u003e\n\u003ch2\u003eDodge Durango \/ Jeep Grand Cherokee 11-26 5.7L Hemi\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 36103301\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Headers Stainless Steel Green Catted Mid Pipes are precision-engineered exhaust components designed to enhance the performance and sound of your Dodge Durango or Jeep Grand Cherokee equipped with the 5.7L HEMI engine. These mid pipes serve as the critical connection between your Kooks long tube headers and the rest of the exhaust system, optimizing exhaust flow for improved power delivery and throttle response.\u003c\/p\u003e\n\u003cp\u003eCrafted for enthusiasts who demand durability, emissions compliance, and a refined exhaust tone, these green catted mid pipes maintain street legality while maximizing the benefits of your high-performance header setup. Backed by Kooks’ decades of expertise in exhaust manufacturing, they offer a reliable upgrade that fits perfectly with your vehicle’s factory exhaust system.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eDesigned with both performance and quality in mind, the Kooks Stainless Steel Green Catted Mid Pipes include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3-inch diameter pipes engineered to OEM specifications for seamless integration\u003c\/li\u003e\n  \u003cli\u003eGreen catted design featuring a high-flow catalytic converter to balance emissions compliance with optimal exhaust flow\u003c\/li\u003e\n  \u003cli\u003eConstructed from premium T304 aircraft-grade stainless steel for exceptional corrosion resistance and long-lasting durability\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA by a family-owned company with over 50 years of high-performance exhaust experience\u003c\/li\u003e\n  \u003cli\u003eDyno and race-tested to ensure maximum power gains and reliability under demanding conditions\u003c\/li\u003e\n  \u003cli\u003eSpecifically designed to complement Kooks Headers for a complete, high-performance exhaust upgrade\u003c\/li\u003e\n  \u003cli\u003eDirect bolt-on fitment requiring no cutting or welding\u003c\/li\u003e\n  \u003cli\u003eLimited lifetime warranty to the original purchaser, reflecting confidence in product quality\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eThese mid pipes are expertly crafted from T304 stainless steel, known for its superior strength, heat resistance, and corrosion protection. The aircraft-grade steel construction ensures the pipes withstand extreme exhaust temperatures without warping or degradation over time, maintaining structural integrity and performance.\u003c\/p\u003e\n\u003cp\u003eThe integrated green catalytic converters are designed to provide high flow while meeting emissions standards, making these pipes suitable for street-legal applications. Each pipe is meticulously handcrafted in the USA, reflecting Kooks’ commitment to precision manufacturing and quality control. Rigorous dyno and race testing guarantee that these mid pipes deliver consistent performance and fitment with Kooks Headers and your vehicle’s OEM exhaust system.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eWhen paired with Kooks Headers, these green catted mid pipes improve exhaust scavenging by reducing backpressure and enhancing engine breathing. This results in sharper throttle response and potential power gains throughout the RPM range. The green catalytic converters help maintain a clean exhaust tone while delivering a more aggressive and refined sound compared to stock components, appealing to enthusiasts who want both performance and a satisfying exhaust note without compromising emissions compliance.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Stainless Steel Green Catted Mid Pipes are designed for direct bolt-on installation with Kooks Headers on compatible Dodge Durango and Jeep Grand Cherokee models equipped with the 5.7L HEMI engine. Installation requires no cutting, welding, or modifications, ensuring a straightforward upgrade that preserves factory fitment and alignment.\u003c\/p\u003e\n\u003cp\u003eThese mid pipes fit the following models:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDodge Durango Citadel (2011–2023)\u003c\/li\u003e\n  \u003cli\u003eDodge Durango Crew (2011–2013)\u003c\/li\u003e\n  \u003cli\u003eDodge Durango Limited (2014–2016)\u003c\/li\u003e\n  \u003cli\u003eDodge Durango Pursuit (2018)\u003c\/li\u003e\n  \u003cli\u003eDodge Durango R\/T (2011–2023)\u003c\/li\u003e\n  \u003cli\u003eDodge Durango Special Service (2012–2018)\u003c\/li\u003e\n  \u003cli\u003eJeep Grand Cherokee High Altitude (2018–2020)\u003c\/li\u003e\n  \u003cli\u003eJeep Grand Cherokee Laredo (2011–2013)\u003c\/li\u003e\n  \u003cli\u003eJeep Grand Cherokee Limited (2011–2021)\u003c\/li\u003e\n  \u003cli\u003eJeep Grand Cherokee Overland (2011–2023)\u003c\/li\u003e\n  \u003cli\u003eJeep Grand Cherokee Overland Summit (2012)\u003c\/li\u003e\n  \u003cli\u003eJeep Grand Cherokee Summit (2014–2023)\u003c\/li\u003e\n  \u003cli\u003eJeep Grand Cherokee Trailhawk (2017–2023)\u003c\/li\u003e\n  \u003cli\u003eJeep Grand Cherokee L Overland (2021–2022)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eProfessional installation is recommended to ensure proper fitment and optimal performance.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOne pair of 3-inch stainless steel green catted mid pipes\u003c\/li\u003e\n  \u003cli\u003eAll necessary hardware for installation with Kooks Headers\u003c\/li\u003e\n  \u003cli\u003eInstallation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis product is ideal for Dodge Durango and Jeep Grand Cherokee owners who have installed or plan to install Kooks Headers and want to complete their exhaust upgrade with high-quality connection pipes. It suits enthusiasts focused on maximizing power output, improving exhaust flow, and maintaining emissions compliance without sacrificing sound quality. Whether for spirited street driving, off-road adventures, or performance racing, these mid pipes provide a durable and reliable solution to enhance your vehicle’s exhaust system.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47280804987092,"sku":"36103301","price":2129.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0041532_ee6e3868c6f3118f4ba90c6a0eb9b6ea_6b3f684d-37dd-4fd7-9c40-9c89f3b176e8.webp?v=1771724550"},{"product_id":"kooks-2011-jeep-grand-cherokee-5-7l-3in-x-oem-ss-catted-connection-pipes","title":"Kooks Headers 3\" SS Catted Mid Pipes: Dodge Durango \/ Jeep Grand Cherokee 11-26 5.7L Hemi w\/ Longtubes","description":"\u003ch1\u003eKooks Headers Stainless Steel Catted Mid Pipes (Front \u0026amp; Rear)\u003c\/h1\u003e\n\u003ch2\u003eDodge Durango \/ Jeep Grand Cherokee 11-26 5.7L Hemi\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 36103201\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Stainless Steel Catted Mid Pipes are precision-engineered connection pipes designed specifically for Dodge Durango and Jeep Grand Cherokee models equipped with the 5.7L HEMI engine from 2011 through 2023. These 3-inch diameter mid pipes are crafted to seamlessly integrate with Kooks long tube headers, providing a smooth transition to the remainder of the exhaust system. Built for enthusiasts who demand improved exhaust flow, durability, and emissions compliance, these catted mid pipes are ideal for street, race, and off-road applications.\u003c\/p\u003e\n\u003cp\u003eManufactured by Kooks Headers, a trusted name in high-performance exhaust technology for over five decades, these mid pipes offer a reliable upgrade that enhances power gains while maintaining a clean fit and finish. They are designed to complement your existing Kooks header setup, ensuring optimal performance without compromise.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eEngineered with both performance and quality in mind, the Kooks Stainless Steel Catted Mid Pipes deliver the following benefits:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3-inch diameter pipes designed to match OEM specifications for precise fitment and optimal exhaust flow\u003c\/li\u003e\n  \u003cli\u003eEquipped with standard race catalytic converters to maintain emissions compliance in naturally aspirated applications\u003c\/li\u003e\n  \u003cli\u003eMust be used in conjunction with Kooks long tube headers for proper installation and performance\u003c\/li\u003e\n  \u003cli\u003eConstructed from premium T304 aircraft-quality stainless steel for exceptional corrosion resistance and long-lasting durability\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA by experienced Kooks craftsmen, ensuring meticulous quality control\u003c\/li\u003e\n  \u003cli\u003eBacked by a limited lifetime warranty to the original purchaser for peace of mind\u003c\/li\u003e\n  \u003cli\u003eDyno and race tested to deliver consistent power gains and reliability under demanding conditions\u003c\/li\u003e\n  \u003cli\u003eCompatible with a wide range of Dodge Durango and Jeep Grand Cherokee 5.7L HEMI models from 2011 to 2023\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks utilizes premium T304 aircraft-grade stainless steel in the fabrication of these catted mid pipes, providing superior strength and resistance to rust and corrosion even under extreme heat and environmental exposure. Each pipe is handcrafted in the USA, reflecting decades of expertise in exhaust system manufacturing and ensuring precise tolerances and fitment.\u003c\/p\u003e\n\u003cp\u003eThe integrated OEM-style catalytic converters balance emissions requirements with performance, allowing these mid pipes to maintain compliance while minimizing exhaust flow restriction. The 3-inch diameter design promotes improved scavenging and reduced backpressure when paired with Kooks headers, enhancing overall engine efficiency and responsiveness.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eWhen installed alongside Kooks long tube headers, these catted mid pipes contribute to a smoother and more efficient exhaust flow. This improved flow can translate into enhanced throttle response and potential power gains. The standard race catalytic converters help maintain emissions compliance without significantly muffling the exhaust note, preserving the aggressive yet refined sound signature that Kooks products are known for. Note that these mid pipes are intended for naturally aspirated setups and are not recommended for forced induction applications.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eDesigned for direct bolt-on installation with Kooks headers on compatible Dodge Durango and Jeep Grand Cherokee 5.7L HEMI models, these mid pipes require no major modifications. Installation is straightforward for experienced enthusiasts or professional shops, ensuring a secure, leak-free connection that integrates seamlessly with the rest of your exhaust system. Proper fitment guarantees optimal performance and durability.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOne pair of 3-inch stainless steel catted mid pipes (front and rear)\u003c\/li\u003e\n  \u003cli\u003eStandard race catalytic converters integrated into each pipe\u003c\/li\u003e\n  \u003cli\u003eInstallation hardware (where applicable)\u003c\/li\u003e\n  \u003cli\u003eLimited lifetime warranty documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis product is ideal for Dodge Durango and Jeep Grand Cherokee owners who have installed or plan to install Kooks long tube headers and want to complete their exhaust upgrade with high-quality, durable connection pipes. It is perfect for enthusiasts focused on street performance, racing, or off-road use who require USA-made components that enhance power delivery while maintaining emissions control in naturally aspirated 5.7L V8 applications.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47280805019860,"sku":"36103201","price":1589.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0041528_ee6e3868c6f3118f4ba90c6a0eb9b6ea_916ffa0c-ab83-4e04-afea-789dec8aabb3.webp?v=1771724550"},{"product_id":"kooks-2018-jeep-grand-cherokee-trackhawk-6-2l-3in-inlet-x-3in-oem-outlet-catted-ss-connection-pipes","title":"Kooks Headers 3\" SS Catted Mid Pipes: Dodge Durango 18-22 6.4L 392, Jeep Grand Cherokee 12-21 6.4L w\/ Longtubes","description":"\u003ch1\u003eKooks Headers Stainless Steel Catted Mid Pipes\u003c\/h1\u003e\n\u003ch2\u003eDodge Durango 18-22 6.4L 392, Jeep Grand Cherokee 12-21 6.4L\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 34103201\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Headers 3\" Stainless Steel Catted Mid Pipes are precision-engineered exhaust components designed specifically for naturally aspirated 6.4L V8 engines in Jeep Grand Cherokee SRT8 and Dodge Durango SRT models, including the Hellcat variant. These connection pipes serve as a critical link between Kooks long tube headers and the factory exhaust system, optimizing exhaust flow and enhancing overall performance. Crafted for enthusiasts who demand durability and improved power delivery, these mid pipes are ideal for street, track, and off-road applications where reliability and efficiency are paramount.\u003c\/p\u003e\n\u003cp\u003eFeaturing integrated catalytic converters, these pipes balance emissions compliance with performance gains, making them suitable for street-legal use in many regions. They are not intended for forced induction setups, ensuring optimal function in naturally aspirated configurations within the specified fitment range.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eEngineered to deliver maximum efficiency and long-lasting durability, the Kooks Stainless Steel Catted Mid Pipes offer:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3-inch inlet and 3-inch OEM outlet diameters for seamless integration with Kooks headers and factory exhaust components\u003c\/li\u003e\n  \u003cli\u003eConstructed from premium T304 aircraft-grade stainless steel for exceptional corrosion resistance and longevity\u003c\/li\u003e\n  \u003cli\u003eIncorporation of standard race catalytic converters that optimize exhaust flow while maintaining emissions compliance\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA with over 50 years of high-performance exhaust manufacturing expertise\u003c\/li\u003e\n  \u003cli\u003eBacked by Kooks’ limited lifetime warranty to the original purchaser for peace of mind\u003c\/li\u003e\n  \u003cli\u003eDyno and race tested to ensure reliable power gains and durability under demanding conditions\u003c\/li\u003e\n  \u003cli\u003eDesigned exclusively for naturally aspirated 6.4L V8 engines in Dodge Durango SRT and Jeep Grand Cherokee SRT models\u003c\/li\u003e\n  \u003cli\u003eDirect bolt-on fitment requiring no modifications when paired with Kooks long tube headers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks utilizes premium T304 stainless steel, renowned for its strength and resistance to rust and corrosion, ensuring these mid pipes withstand the harsh conditions of high-performance driving. The pipes are mandrel-bent to maintain a smooth, unrestricted exhaust flow, minimizing turbulence and backpressure. This precise engineering contributes to improved engine efficiency and power delivery.\u003c\/p\u003e\n\u003cp\u003eEach pipe is meticulously handcrafted in the USA by skilled technicians, reflecting decades of expertise in exhaust system fabrication. The inclusion of high-flow race catalytic converters strikes a balance between performance and emissions compliance, making these pipes suitable for street use in many areas.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eWhen installed with Kooks long tube headers, these catted mid pipes help unlock the full potential of your vehicle’s exhaust system by reducing backpressure and enhancing exhaust scavenging. This results in sharper throttle response and potential power improvements. The stainless steel construction also delivers a refined exhaust tone, producing a deep, aggressive sound characteristic of high-performance V8 engines without excessive drone during cruising.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThese mid pipes are designed as a direct fit for the following vehicles and require no modifications when installed alongside Kooks headers:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2018–2021 Dodge Durango SRT\u003c\/li\u003e\n  \u003cli\u003e2022 Dodge Durango SRT 392\u003c\/li\u003e\n  \u003cli\u003e2021 Dodge Durango SRT Hellcat\u003c\/li\u003e\n  \u003cli\u003e2014–2021 Jeep Grand Cherokee SRT8\u003c\/li\u003e\n  \u003cli\u003e2012–2013 Jeep Grand Cherokee Trackhawk\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInstallation involves unbolting the factory connection pipes and replacing them with the Kooks components. Proper fitment ensures a secure seal and optimal exhaust flow, typically completed by experienced technicians with standard hand tools.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOne pair of 3-inch inlet x 3-inch OEM outlet catted stainless steel connection pipes\u003c\/li\u003e\n  \u003cli\u003eInstallation hardware (where applicable)\u003c\/li\u003e\n  \u003cli\u003eLimited lifetime warranty documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThese connection pipes are perfect for performance enthusiasts and racers who have installed or plan to install Kooks long tube headers on their naturally aspirated 6.4L V8 Dodge Durango or Jeep Grand Cherokee SRT models. They are well suited for street performance, track days, and off-road use where enhanced exhaust flow, durability, and a refined exhaust note are desired.\u003c\/p\u003e\n\n\u003ch3\u003eEmissions Note\u003c\/h3\u003e\n\u003cp\u003eFeaturing standard race catalytic converters, these mid pipes are designed to balance performance with emissions compliance for street-legal use in many regions. However, they are not intended for forced induction applications. Users should verify local emissions regulations before installation to ensure compliance with applicable laws.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47280805347540,"sku":"34103201","price":1637.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0041522_ee6e3868c6f3118f4ba90c6a0eb9b6ea_b7dd8580-6081-4126-8be5-812470efafcb.webp?v=1771724549"},{"product_id":"kooks-2012-jeep-grand-cherokee-srt8-6-4l-3in-stainless-green-catted-connection-pipes","title":"Kooks Headers 3\" SS Green Catted Mid Pipes: Fits Most Dodge\/Jeep 6.4L\/6.2L (12-23) w\/ Longtubes","description":"\u003ch1\u003eKooks Headers Stainless Catted Mid Pipes\u003c\/h1\u003e\n\u003ch2\u003eFits Most Dodge\/Jeep 6.4L\/6.2L (12-23)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 34103301\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Headers Stainless Catted Mid Pipes are precision-engineered exhaust components designed to perfectly complement Kooks long tube headers on select Jeep Grand Cherokee and Dodge Durango SRT models. Crafted for performance enthusiasts who demand both enhanced exhaust flow and emissions compliance, these mid pipes integrate OEM-style catalytic converters to maintain legal standards without compromising power gains. Ideal for street, track, and off-road use, they deliver a seamless fit and reliable operation when paired with Kooks Headers, making them an essential upgrade for serious SRT owners.\u003c\/p\u003e\n\u003cp\u003eSpecifically developed for the 2012–2013 Jeep Grand Cherokee 6.1L SRT8, 2012–2021 Jeep Grand Cherokee 6.4L SRT8, 2014–2021 Jeep Grand Cherokee SRT, 2018–2021 Jeep Grand Cherokee 6.2L Trackhawk, and 2018–2025 Dodge Durango SRT models equipped with 6.2L Hellcat or 6.4L 392 engines, these mid pipes ensure perfect factory outlet compatibility and preserve OEM fitment and function.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eEngineered to maximize performance and durability, the Kooks Stainless Catted Mid Pipes offer the following key benefits:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConstructed from premium T304 stainless steel for exceptional corrosion resistance and long-lasting durability\u003c\/li\u003e\n  \u003cli\u003eIntegrated OEM-style green catted converters for emissions compliance without sacrificing exhaust flow\u003c\/li\u003e\n  \u003cli\u003e3-inch inlet and 3-inch OEM outlet sizing ensures direct compatibility with Kooks Headers and factory exhaust systems\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA with meticulous attention to weld quality and fitment precision\u003c\/li\u003e\n  \u003cli\u003eDyno and race tested to guarantee reliable performance under demanding conditions\u003c\/li\u003e\n  \u003cli\u003eDesigned specifically for Dodge Durango SRT (2018–2023), Durango SRT 392 (2022–2023), Durango Hellcat (2021–2025), Jeep Grand Cherokee SRT (2014–2021), SRT8 (2012–2013), and Trackhawk (2018–2021)\u003c\/li\u003e\n  \u003cli\u003eRequires Kooks Headers for proper installation and optimal exhaust system performance\u003c\/li\u003e\n  \u003cli\u003eBacked by a limited lifetime warranty to the original purchaser\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks Headers Stainless Catted Mid Pipes are expertly fabricated from aircraft-quality T304 stainless steel, known for its superior strength, heat resistance, and corrosion protection. Each pipe is handcrafted in the USA by skilled technicians, ensuring precise TIG welds and consistent quality control. The integrated green catted converters are engineered to meet OEM emissions standards while maintaining excellent exhaust flow characteristics to optimize engine efficiency.\u003c\/p\u003e\n\u003cp\u003eThe 3-inch inlet and outlet dimensions match factory exhaust ports, allowing for a seamless connection to Kooks Headers and the vehicle’s existing exhaust system. This design minimizes installation complexity and preserves the integrity of the exhaust path, contributing to improved throttle response and overall engine performance.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eWhen paired with Kooks Headers, these stainless catted mid pipes help unlock the full potential of your Dodge Durango or Jeep Grand Cherokee’s exhaust system. By reducing backpressure and enhancing exhaust scavenging, they contribute to improved horsepower and torque delivery. The pipes maintain a refined exhaust tone that balances aggressive performance sound with daily drivability, making them suitable for both street and track applications.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eInstallation of the Kooks Stainless Catted Mid Pipes is straightforward for experienced enthusiasts and professional installers alike. These pipes bolt directly onto Kooks Headers and mate with the factory exhaust system without requiring modifications. Proper fitment is guaranteed for the specified Dodge Durango and Jeep Grand Cherokee SRT models equipped with compatible engines, ensuring a hassle-free upgrade experience.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOne pair of 3-inch inlet x 3-inch OEM outlet green catted stainless steel mid pipes\u003c\/li\u003e\n  \u003cli\u003eInstallation hardware is not included and may be required separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThese mid pipes are perfect for performance enthusiasts and professional racers who have installed or plan to install Kooks Headers on their Dodge Durango or Jeep Grand Cherokee SRT models. They are well-suited for street performance upgrades, track days, and off-road applications where durability and emissions compliance are essential. If you demand quality craftsmanship, precise fitment, and proven performance gains, these pipes are an excellent addition to your exhaust system.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47280805380308,"sku":"34103301","price":2177.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0041516_ee6e3868c6f3118f4ba90c6a0eb9b6ea_b8d71a6d-b4d6-43ec-9da3-8bf098913ac7.webp?v=1771724549"},{"product_id":"kooks-2012-wk2-jeep-grand-cherokee-srt-6-4l-x-pipe-resonator-delete","title":"Kooks Headers 3\" SS Resonator Delete X-Pipe: Jeep Grand Cherokee 12-21 6.4L\/6.2L","description":"\u003ch1\u003eKooks Headers 3\" SS Resonator Delete X-Pipe\u003c\/h1\u003e\n\u003ch2\u003eJeep Grand Cherokee 12-21 6.4L\/6.2L\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 34104280\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Headers 3\" Stainless Steel Resonator Delete X-Pipe is a precision-engineered exhaust upgrade tailored for Jeep Grand Cherokee SRT, SRT8, and Trackhawk models spanning 2012 through 2021. This high-performance component replaces the factory X-pipe and resonators with straight 3-inch stainless steel piping, enhancing exhaust flow and delivering a more aggressive, deeper exhaust tone. Designed for enthusiasts who want to unlock additional power and a sportier sound without sacrificing reliability or requiring complex modifications, this resonator delete is a direct bolt-on solution that seamlessly integrates with your vehicle’s existing exhaust system.\u003c\/p\u003e\n\u003cp\u003eCrafted by Kooks Headers, a trusted name in performance exhaust systems for over five decades, this resonator delete is ideal for Jeep owners seeking a refined balance of enhanced performance, improved throttle response, and a commanding exhaust note that complements the robust V8 engines in these models.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eEngineered to elevate your Jeep Grand Cherokee’s exhaust system, the Kooks 3\" Resonator Delete X-Pipe offers the following benefits:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplaces the restrictive factory X-pipe and resonators with straight 3-inch stainless steel pipes for optimized exhaust flow\u003c\/li\u003e\n  \u003cli\u003eConstructed from premium T304 aircraft-grade stainless steel for exceptional durability and corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eDirect bolt-on fitment utilizing OEM cat-back and muffler connection points—no cutting, welding, or fabrication required\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA by a family-owned company with over three generations of exhaust expertise\u003c\/li\u003e\n  \u003cli\u003eDyno and race tested to ensure maximum power output and long-term reliability\u003c\/li\u003e\n  \u003cli\u003eEnhances exhaust sound by removing restrictive resonators, producing a deeper, more aggressive tone without excessive drone\u003c\/li\u003e\n  \u003cli\u003eCompatible with Jeep Grand Cherokee SRT (2014–2021), SRT8 (2012–2013), and Trackhawk (2018–2021) models\u003c\/li\u003e\n  \u003cli\u003eIncludes a limited lifetime warranty to the original purchaser for peace of mind\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks Headers employs premium T304 aircraft-grade stainless steel in the construction of this resonator delete X-pipe, ensuring superior strength, resistance to rust, and long-lasting performance under demanding conditions. Each unit is meticulously handcrafted in the USA, reflecting decades of craftsmanship and quality control.\u003c\/p\u003e\n\u003cp\u003eThe design replaces the factory’s restrictive X-pipe and resonators with straight piping, which reduces backpressure and improves exhaust scavenging. This precise engineering guarantees a perfect fit with existing OEM cat-back and muffler connection points, eliminating the need for any modifications or additional fabrication. The result is a robust, clean installation that maintains the structural integrity and aesthetic of your Jeep’s exhaust system.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eBy removing the factory resonators and replacing the X-pipe with straight 3-inch piping, this Kooks resonator delete enhances exhaust gas flow and scavenging efficiency. This improvement can lead to better throttle response and potential power gains, allowing your Jeep’s powerful V8 engine to breathe more freely.\u003c\/p\u003e\n\u003cp\u003eThe exhaust note becomes noticeably deeper and more aggressive, emphasizing the natural growl of the 6.2L and 6.4L engines without introducing excessive drone during highway cruising. This upgrade is perfect for drivers who want a sportier, more engaging exhaust character that complements the performance capabilities of the SRT, SRT8, and Trackhawk models while maintaining daily drivability.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Headers 3\" Resonator Delete X-Pipe is designed for a straightforward, direct bolt-on installation using existing OEM cat-back and muffler connection points. No cutting, welding, or additional modifications are necessary, making it an ideal upgrade for enthusiasts seeking a clean and professional installation.\u003c\/p\u003e\n\u003cp\u003eInstallation can typically be completed with basic hand tools and may vary depending on experience. This product fits the following Jeep Grand Cherokee models:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e2012–2013 Jeep Grand Cherokee SRT8 6.4L\u003c\/li\u003e\n  \u003cli\u003e2014–2021 Jeep Grand Cherokee SRT 6.4L\u003c\/li\u003e\n  \u003cli\u003e2018–2021 Jeep Grand Cherokee Trackhawk 6.2L\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e3-inch stainless steel X-pipe resonator delete pipes\u003c\/li\u003e\n  \u003cli\u003eAll necessary hardware for installation\u003c\/li\u003e\n  \u003cli\u003eDetailed installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis resonator delete is perfect for Jeep Grand Cherokee owners who want to unlock a more aggressive exhaust tone and improve exhaust flow without sacrificing OEM fitment or reliability. It is well-suited for street performance enthusiasts, weekend racers, and off-road drivers who demand both sound and performance enhancements from their exhaust system. Whether complementing other Kooks exhaust components or seeking a more engaging driving experience, this resonator delete provides a balanced upgrade that enhances your Jeep’s presence and performance on the road.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47280880976084,"sku":"34104280","price":1072.32,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0041041_03b2bf41f08cdfe3d7b9909932be8313_4ff0acbe-f1bb-4d8d-80fe-b0ddff1708ca.webp?v=1771724524"},{"product_id":"kooks-06-10-jeep-srt8-6-1l-1-7-8in-x-3in-ss-longtube-headers-and-catted-ss-connection-pipes","title":"Kooks Headers 1.875\" x 3\" Longtube Headers \u0026 OEM Catted Mid Pipes: Jeep Grand Cherokee 06-10 6.1L SRT8","description":"\u003ch1\u003eKooks Headers Longtube Headers \u0026amp; OEM Catted Mid Pipes\u003c\/h1\u003e\n\u003ch2\u003eJeep Grand Cherokee 06-10 6.1L SRT8\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 3400H420\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Stainless Steel Longtube Headers and OEM Catted Mid Pipes are precision-engineered exhaust components designed exclusively for the 2006 to 2010 Jeep Grand Cherokee SRT8 equipped with the 6.1L V8 engine. This high-performance exhaust upgrade replaces the restrictive factory manifolds and mid pipes to significantly improve exhaust flow, resulting in enhanced horsepower, torque, and throttle response.\u003c\/p\u003e\n\u003cp\u003eCrafted for enthusiasts who demand both street and track-ready performance, these headers and connection pipes deliver a perfect balance of power gains and aggressive exhaust tone without sacrificing emissions compliance. Whether you’re tackling spirited street driving, track days, or off-road adventures, this system offers a durable and reliable solution to unlock your SRT8’s full potential.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eEngineered to optimize exhaust scavenging and reduce backpressure, the Kooks longtube headers and catted mid pipes provide measurable performance improvements. Key features include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1-7\/8 inch primary tubes paired with 3 inch collectors for superior exhaust flow\u003c\/li\u003e\n  \u003cli\u003e3 inch OEM outlet catted stainless steel mid pipes for seamless integration and emissions compliance\u003c\/li\u003e\n  \u003cli\u003eConstructed from premium T304 aircraft-quality stainless steel for exceptional corrosion resistance and durability\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA by experienced Kooks craftsmen ensuring precise fitment and quality\u003c\/li\u003e\n  \u003cli\u003eDyno and race tested to guarantee maximum power output and reliability\u003c\/li\u003e\n  \u003cli\u003eDirect bolt-on installation with no major modifications required\u003c\/li\u003e\n  \u003cli\u003eLimited lifetime warranty to the original purchaser for peace of mind\u003c\/li\u003e\n  \u003cli\u003eDesigned specifically for the Jeep Grand Cherokee SRT8 6.1L (2006–2010)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks utilizes premium T304 stainless steel, known for its outstanding strength and resistance to rust and corrosion, ensuring long-lasting durability even under extreme heat and harsh conditions. The longtube header design enhances exhaust gas velocity and scavenging, which helps unlock additional horsepower and torque from the 6.1L V8 engine.\u003c\/p\u003e\n\u003cp\u003eEach header is mandrel-bent to maintain smooth airflow and precision-welded to preserve structural integrity and exact fitment. The catted mid pipes feature a 3 inch diameter with OEM-style outlets, allowing for a clean transition to the rest of the exhaust system while maintaining emissions compliance. Every component is handcrafted in the USA, reflecting Kooks’ commitment to quality and performance.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eReplacing the factory manifolds and mid pipes with Kooks longtube headers and catted connection pipes dramatically improves exhaust flow, resulting in enhanced throttle response and increased power output. The system also produces a deeper, more aggressive exhaust note that complements the muscular character of the Jeep Grand Cherokee SRT8 without excessive drone, delivering an exhilarating driving experience.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThese headers and mid pipes are engineered for direct bolt-on installation on 2006–2010 Jeep Grand Cherokee SRT8 models equipped with the 6.1L engine. Installation requires standard hand tools and moderate mechanical experience. No cutting or major modifications are necessary, making this a straightforward upgrade for enthusiasts seeking improved performance and sound.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1-7\/8 inch x 3 inch stainless steel longtube headers (driver and passenger side)\u003c\/li\u003e\n  \u003cli\u003e3 inch x 3 inch OEM outlet catted stainless steel mid pipes\u003c\/li\u003e\n  \u003cli\u003eAll necessary gaskets and hardware for installation\u003c\/li\u003e\n  \u003cli\u003eLimited lifetime warranty documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis Kooks header and connection pipe system is ideal for Jeep Grand Cherokee SRT8 owners who want a high-quality, durable exhaust upgrade that enhances power, sound, and overall driving enjoyment. Perfect for street performance, track use, and off-road excursions, these components provide a reliable and performance-focused solution tailored to the 6.1L V8 engine.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47280883171540,"sku":"3400H420","price":3121.03,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0040981_f3eaa1f1d600325dc8ef581bc4abe725_ff630906-6b24-45a7-99bb-71f97242da80.webp?v=1771724522"},{"product_id":"kooks-11-18-ram-1500-2-dodge-ram-header-catted-y-pipe-kit","title":"Kooks Headers 2\" x 3\" Longtube Headers \u0026 OEM Catted Y-Pipe (F\u0026R): Dodge Ram 1500 \/ Ram 1500 \/ 1500 Classic 09-23 5.7L Hemi","description":"\u003ch1\u003eKooks Headers Longtube Headers \u0026amp; OEM Catted Y-Pipe Kit\u003c\/h1\u003e\n\u003ch2\u003eDodge Ram 1500 \/ Ram 1500 \/ 1500 Classic 09-23 5.7L Hemi\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 3510H621\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Headers Longtube Headers and OEM Catted Y-Pipe Kit is a precision-engineered exhaust upgrade tailored for Dodge RAM 1500 and RAM 1500 Classic trucks equipped with the 5.7L VVT HEMI engine from 2009 through 2023. This premium kit enhances exhaust flow and throttle response, delivering a noticeable improvement in engine efficiency and power potential. Crafted by Kooks, a family-owned company with over 50 years of experience in high-performance exhaust manufacturing, this kit balances aggressive performance gains with emissions compliance.\u003c\/p\u003e\n\u003cp\u003eWhether you use your RAM for daily driving, towing, or spirited performance, this header and Y-pipe combination offers a durable, high-quality solution that improves engine breathing and produces a deeper, more aggressive exhaust tone without compromising reliability or drivability.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eDesigned for enthusiasts seeking a robust and emissions-compliant upgrade, this kit includes:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision-crafted 2\" to 3\" stainless steel long tube headers for optimized exhaust scavenging and flow\u003c\/li\u003e\n  \u003cli\u003e3\" stainless steel OEM-style catted Y-pipe featuring Kooks GREEN Cats for superior emissions compliance and durability\u003c\/li\u003e\n  \u003cli\u003eHandmade in the USA by a family-owned company with over three generations of exhaust expertise\u003c\/li\u003e\n  \u003cli\u003eSupports modern muscle applications up to 750 RWHP\u003c\/li\u003e\n  \u003cli\u003eDirect bolt-on fitment for 2009–2010 RAM 1500 and 2011–2018 RAM 1500 models\u003c\/li\u003e\n  \u003cli\u003eCompatible with 2019–2023 RAM 1500 Classic trims including Big Horn, Express, Lone Star, SLT, Special Service, Tradesman, and Warlock\u003c\/li\u003e\n  \u003cli\u003eDurable stainless steel construction resists corrosion and heat damage\u003c\/li\u003e\n  \u003cli\u003eImproves throttle response and potential horsepower gains through enhanced exhaust flow\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks Headers are meticulously handcrafted from premium stainless steel, ensuring exceptional strength, corrosion resistance, and long-lasting durability. The long tube header design maximizes exhaust gas velocity and minimizes backpressure, which helps improve engine efficiency and power output. The included catted Y-pipe incorporates Kooks’ proprietary GREEN Cats, engineered to maintain EPA emissions compliance while offering enhanced durability compared to standard catalytic converters.\u003c\/p\u003e\n\u003cp\u003eEvery weld and bend is carefully executed to optimize fitment and flow characteristics, ensuring a seamless integration with your RAM’s factory exhaust system for reliable, high-performance operation.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eThis header and Y-pipe kit significantly enhances exhaust flow, resulting in improved throttle response and supporting increased horsepower potential when combined with other performance modifications. The long tube headers contribute to a deeper, more aggressive exhaust tone that enriches the driving experience without excessive drone. The high-quality catalytic converters maintain emissions control while allowing a freer-flowing exhaust path.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Headers Longtube Headers and OEM Catted Y-Pipe Kit is designed for direct bolt-on installation with no major modifications required. It fits Dodge RAM 1500 and RAM 1500 Classic models equipped with the 5.7L HEMI engine from 2009 through 2023. Installation typically requires standard hand tools and moderate mechanical experience. Professional installation is recommended to ensure proper fitment and optimal performance.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2\" x 3\" stainless steel long tube headers\u003c\/li\u003e\n  \u003cli\u003e3\" stainless steel OEM-style catted Y-pipe with Kooks GREEN Cats\u003c\/li\u003e\n  \u003cli\u003eAll necessary hardware and gaskets for installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis kit is ideal for RAM 1500 and RAM 1500 Classic owners who want to upgrade their exhaust system for improved performance, sound, and durability. It suits street drivers, weekend enthusiasts, and those who occasionally tow or haul, providing a reliable and emissions-compliant solution that enhances the capabilities of the 5.7L HEMI engine.\u003c\/p\u003e\n\n\u003ch3\u003eEmissions Note\u003c\/h3\u003e\n\u003cp\u003eKooks has replaced standard catalytic converters with their EPA-verified GREEN Cats, which offer improved durability and emissions compliance. These catalytic converters meet EPA standards and are suitable for modern muscle vehicles up to 750 RWHP. Customers should verify local regulations before installation to ensure compliance with emissions laws in their area.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47280915284180,"sku":"3510H621","price":3468.62,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0040435_03b2bf41f08cdfe3d7b9909932be8313_d7e79533-1e44-48ef-ba1a-217d1672abf4.webp?v=1771724493"},{"product_id":"kooks-19-20-ram-1500-sxt-o2-extension-harness","title":"Kooks Headers O2 Extension Harness: Ram 1500 19-24 5.7L Hemi","description":"\u003ch3\u003eKooks Headers O2 Extension Harness\u003c\/h3\u003e\u003cp\u003eRam 1500 19-24 5.7L Hemi\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCAS-109264\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Kooks Headers O2 Extension Harness is a precision-engineered accessory designed specifically for 2019 to 2020 Ram 1500 models. This 12-inch extension harness with a 4-pin flat connector ensures seamless connectivity for oxygen sensors when installing Kooks headers or replacing damaged or lost extensions. Crafted to maintain optimal sensor performance, it supports accurate air-fuel mixture readings essential for engine efficiency and emissions control.\u003c\/p\u003e\u003cp\u003eIdeal for enthusiasts and professional installers alike, this extension harness is a reliable replacement part that complements Kooks’ high-performance exhaust systems. It helps maintain the integrity of your vehicle’s oxygen sensor wiring during header upgrades or repairs, ensuring consistent sensor operation and preventing potential check engine lights caused by wiring issues.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Kooks Headers O2 Extension Harness offers essential features that guarantee compatibility and durability for your Ram 1500’s oxygen sensor system:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e12-inch length provides ample reach for oxygen sensor wiring during header installation\u003c\/li\u003e\n\u003cli\u003e4-pin flat connector designed for direct fit with factory and Kooks oxygen sensors\u003c\/li\u003e\n\u003cli\u003eIncluded in Kooks header kits where extensions are necessary\u003c\/li\u003e\n\u003cli\u003eHigh-quality wiring and connectors ensure reliable electrical connections\u003c\/li\u003e\n\u003cli\u003eDesigned to withstand heat and vibration typical of exhaust system environments\u003c\/li\u003e\n\u003cli\u003eDirect replacement for damaged or lost oxygen sensor extension harnesses\u003c\/li\u003e\n\u003cli\u003eMaintains factory sensor signal integrity for accurate engine management\u003c\/li\u003e\n\u003cli\u003eHandcrafted in the USA by Kooks Headers, a leader in performance exhaust technology\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eKooks Headers manufactures this O2 extension harness with premium materials engineered to endure the demanding conditions of high-performance exhaust systems. The wiring is insulated with heat-resistant materials to protect against extreme temperatures near the headers. The connectors feature a secure locking design to prevent disconnection from vibration or movement during vehicle operation.\u003c\/p\u003e\u003cp\u003eEvery harness is handcrafted in the USA, reflecting Kooks’ commitment to quality and durability. The precise engineering ensures a perfect fit with Kooks headers and factory oxygen sensors, minimizing installation challenges and ensuring long-term reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis extension harness is designed for straightforward installation on 2019–2020 Ram 1500 models including Big Horn, Laramie, Laramie Longhorn, Limited, Lone Star, Rebel, Special Service, and Tradesman trims. It is typically included in Kooks header kits when an extension is required to reach the oxygen sensors.\u003c\/p\u003e\u003cp\u003eInstallation involves connecting the extension harness inline with the factory oxygen sensor wiring and the sensor itself, providing additional length without splicing or modifying factory components. This plug-and-play design simplifies the upgrade or replacement process, making it accessible for both professional installers and experienced enthusiasts.\u003c\/p\u003e\u003cp\u003eWhat’s Included\u003c\/p\u003e\u003cul\u003e\u003cli\u003eOne (1) 12-inch O2 Extension Harness with 4-pin flat connectors\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis O2 extension harness is ideal for Ram 1500 owners upgrading to Kooks headers or replacing damaged oxygen sensor wiring. It is perfect for street performance enthusiasts, racers, and off-roaders who demand reliable sensor connectivity and want to maintain optimal engine performance and emissions compliance.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47280916103380,"sku":"CAS-109264","price":27.68,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0000803_2402_c9418aea69f2964969c45f750a7c0a64_db315f76-913c-42f9-9725-dedf4f7186ce.webp?v=1771902823"},{"product_id":"kooks-12-22-jeep-trackhawk-6-2l-dodge-durango-6-4l-3in-h-o-green-catted-oem-connection-pipes","title":"Kooks Headers 3in H.O. Green Catted OEM Pipes: Fits Most Dodge\/Jeep 6.4L\/6.2L (12-23)","description":"\u003ch3\u003eKooks Headers 3in H.O. Green Catted OEM Connection Pipes\u003c\/h3\u003e\u003cp\u003eFits Most Dodge\/Jeep 6.4L\/6.2L (12-23)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e34103401\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Kooks Headers 3-inch High Output (H.O.) Green Catted OEM Connection Pipes are precision-engineered components designed to enhance the exhaust flow of select Jeep Grand Cherokee and Dodge Durango models. Crafted specifically to be used with Kooks Headers, these connection pipes serve as a critical link in the exhaust system, ensuring optimal performance and durability. Ideal for enthusiasts seeking to maximize power and efficiency, these pipes maintain OEM outlet compatibility while delivering improved exhaust scavenging and reduced backpressure.\u003c\/p\u003e\u003cp\u003eBuilt for the 2012–2021 Jeep Grand Cherokee SRT8 and Trackhawk models, as well as the 2018–2023 Dodge Durango SRT variants, these connection pipes are tailored to fit high-performance V8 engines, including the 6.4L and 6.2L powerplants. Whether you’re upgrading your street machine or preparing for track and off-road use, Kooks’ connection pipes provide a reliable and effective solution to complement your exhaust setup.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned with performance and quality in mind, these connection pipes offer the following benefits:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3-inch inlet and OEM outlet diameter for seamless integration with Kooks Headers and factory exhaust components\u003c\/li\u003e\n\u003cli\u003eHigh Output GREEN catted design to balance emissions compliance with enhanced flow characteristics\u003c\/li\u003e\n\u003cli\u003eConstructed from premium T304 stainless steel for superior corrosion resistance and long-lasting durability\u003c\/li\u003e\n\u003cli\u003eHandcrafted in the USA by Kooks, a family-owned company with over 50 years of high-performance exhaust expertise\u003c\/li\u003e\n\u003cli\u003eDyno and race tested to ensure maximum power gains and reliable operation under demanding conditions\u003c\/li\u003e\n\u003cli\u003eSpecifically engineered for Jeep Grand Cherokee SRT8 (2012–2021), Trackhawk (2018–2021), and Dodge Durango SRT (2018–2023) models\u003c\/li\u003e\n\u003cli\u003eMaintains OEM fitment and installation ease, requiring no modifications when paired with Kooks Headers\u003c\/li\u003e\n\u003cli\u003eLimited lifetime warranty to the original purchaser, underscoring Kooks’ commitment to quality\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eKooks Headers utilizes aircraft-grade T304 stainless steel in the fabrication of these connection pipes, ensuring exceptional strength and resistance to heat and corrosion. The pipes are handcrafted with precision welding techniques to deliver a perfect fit and finish. The 3-inch diameter design optimizes exhaust gas flow, reducing backpressure and improving engine efficiency. The inclusion of a high output GREEN catalytic converter balances performance improvements with emissions considerations, making it suitable for street-driven vehicles that require catalytic support.\u003c\/p\u003e\u003cp\u003eEvery pipe is manufactured in the USA under strict quality control standards, reflecting Kooks’ dedication to craftsmanship and performance. The design maintains OEM outlet compatibility, allowing for straightforward installation without the need for additional modifications or adapters.\u003c\/p\u003e\u003cp\u003ePerformance \u0026amp; Sound\u003c\/p\u003e\u003cp\u003eWhen paired with Kooks Headers, these connection pipes contribute to a noticeable increase in exhaust flow, which can translate into improved throttle response and potential power gains. The high output catalytic converter helps maintain emissions compliance while allowing a freer flow of exhaust gases compared to stock components. This results in a more aggressive exhaust note that enhances the driving experience without excessive drone or harshness, making it suitable for both street and performance applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThese connection pipes are designed for direct bolt-on installation with Kooks Headers on the specified Jeep Grand Cherokee and Dodge Durango models. No cutting, welding, or additional modifications are required, ensuring a hassle-free upgrade process. Installation should be performed by a qualified technician or experienced enthusiast familiar with exhaust system components to guarantee proper fitment and sealing.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOne pair of 3-inch High Output GREEN Catted OEM Connection Pipes\u003c\/li\u003e\n\u003cli\u003eInstallation hardware as required (verify with seller)\u003c\/li\u003e\n\u003cli\u003eLimited lifetime warranty documentation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis product is ideal for Jeep Grand Cherokee and Dodge Durango owners who have installed or plan to install Kooks Headers and seek to optimize their exhaust system’s performance and sound. It is well-suited for street performance enthusiasts, weekend racers, and off-road drivers who demand durable, high-quality components that enhance power delivery and maintain emissions compliance.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47308387647700,"sku":"34103401","price":2672.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0021166_03b2bf41f08cdfe3d7b9909932be8313_fe70a65a-76d5-4774-b6a8-13175e8b895d.webp?v=1771724481"},{"product_id":"kooks-08-15-dodge-charger-challenger-srt8-3in-x-oem-ss-green-catted-connection-pipes","title":"Kooks Headers 3\" OEM H.O. GREEN Catted Mid Pipes: Fits Most Chrysler\/Dodge 6.4L\/6.2L\/6.1L (05-23)","description":"\u003ch1\u003eKooks Headers 3\" OEM H.O. GREEN Catted Mid Pipes (F\u0026amp;R)\u003c\/h1\u003e\n\u003ch2\u003eFits Most Chrysler\/Dodge 6.4L\/6.2L\/6.1L (05-23)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 31013400\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Headers 3-inch Green Catted Stainless Steel Connection Pipes are precision-engineered mid pipes designed to seamlessly integrate with Kooks Headers on a wide range of Chrysler and Dodge vehicles equipped with 6.1L, 6.2L, and 6.4L HEMI engines from 2005 through 2023. These pipes serve as a vital link in the exhaust system, optimizing exhaust flow while maintaining emissions compliance through their high-output catalytic converter design.\u003c\/p\u003e\n\u003cp\u003eIdeal for performance enthusiasts and professional racers alike, these connection pipes enhance power delivery and throttle response without sacrificing durability or fitment. They are a perfect upgrade for Chrysler 300C, Dodge Challenger, Dodge Charger, and Dodge Magnum owners looking to maximize their vehicle’s potential while preserving OEM-style installation and emissions standards.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eEngineered to improve exhaust efficiency and durability, the Kooks 3\" Green Catted Mid Pipes offer:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3-inch diameter inlet with a 2-3\/4-inch OEM outlet for flawless integration with Kooks Headers and factory exhaust systems\u003c\/li\u003e\n  \u003cli\u003eHigh Output Green Catted design balancing emissions control with unrestricted exhaust flow\u003c\/li\u003e\n  \u003cli\u003eConstructed from premium T304 aircraft-quality stainless steel for superior corrosion resistance and longevity\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA with meticulous attention to detail and quality assurance\u003c\/li\u003e\n  \u003cli\u003eDyno and race tested to ensure maximum power gains and reliability under demanding conditions\u003c\/li\u003e\n  \u003cli\u003eMaintains OEM-style fitment for straightforward bolt-on installation without major modifications\u003c\/li\u003e\n  \u003cli\u003eCompatible with a broad range of Chrysler and Dodge models from 2005 to 2023 equipped with 6.1L, 6.2L, and 6.4L HEMI engines\u003c\/li\u003e\n  \u003cli\u003eLimited lifetime warranty to the original purchaser for peace of mind\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks Headers connection pipes are expertly crafted from T304 stainless steel, an aircraft-grade material renowned for its exceptional strength and resistance to rust and corrosion. This ensures the pipes withstand extreme heat cycles and harsh driving environments without degradation.\u003c\/p\u003e\n\u003cp\u003eThe pipes feature a precise 3-inch to 2-3\/4-inch transition that matches OEM specifications, guaranteeing a perfect fit with Kooks Headers and the factory exhaust system. The integrated green high-output catalytic converter delivers effective emissions control while minimizing flow restriction, making these pipes suitable for both street and track applications.\u003c\/p\u003e\n\u003cp\u003eEach pipe is handcrafted in the USA by skilled technicians, reflecting Kooks’ commitment to quality, durability, and race-proven engineering.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eWhen paired with Kooks Headers, these connection pipes significantly improve exhaust scavenging and flow efficiency. This enhancement translates into increased horsepower and torque across the powerband, resulting in a more responsive throttle and improved overall engine performance.\u003c\/p\u003e\n\u003cp\u003eThe stainless steel construction also contributes to a clean, aggressive exhaust note that complements the muscle car character of Chrysler and Dodge HEMI-powered vehicles, delivering an exhilarating driving experience without excessive drone.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eDesigned for direct bolt-on installation with Kooks Headers on compatible Chrysler and Dodge models from 2005 to 2023, these mid pipes require no major modifications. This ensures a straightforward installation process for experienced enthusiasts and professional shops alike.\u003c\/p\u003e\n\u003cp\u003eProper fitment maintains optimal exhaust alignment and sealing, preventing leaks and preserving system integrity for reliable, long-term performance.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOne pair of 3-inch Green Catted Stainless Steel Connection Pipes\u003c\/li\u003e\n  \u003cli\u003eInstallation hardware as required (verify with installer)\u003c\/li\u003e\n  \u003cli\u003eLimited lifetime warranty documentation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis product is perfect for performance enthusiasts and professional racers who own Chrysler 300C, Dodge Challenger, Dodge Charger, or Dodge Magnum models equipped with 6.1L, 6.2L, or 6.4L HEMI engines. It is especially suited for those who have installed or plan to install Kooks Headers and want to maximize power gains while maintaining emissions compliance and OEM-style fitment.\u003c\/p\u003e\n\n\u003ch3\u003eFitment Summary\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eChrysler 300 Base (2005–2007, 2012–2014)\u003c\/li\u003e\n  \u003cli\u003eChrysler 300 C (2005–2010, 2012–2014)\u003c\/li\u003e\n  \u003cli\u003eChrysler 300 C Luxury (2012–2014)\u003c\/li\u003e\n  \u003cli\u003eChrysler 300 C SRT8 (2005–2010, 2012–2014)\u003c\/li\u003e\n  \u003cli\u003eChrysler 300 Limited (2005–2010, 2012)\u003c\/li\u003e\n  \u003cli\u003eChrysler 300 LX (2008–2009)\u003c\/li\u003e\n  \u003cli\u003eChrysler 300 S (2010, 2012–2014)\u003c\/li\u003e\n  \u003cli\u003eChrysler 300 Signature Series (2009)\u003c\/li\u003e\n  \u003cli\u003eChrysler 300 SRT8 Core (2013)\u003c\/li\u003e\n  \u003cli\u003eChrysler 300 Touring (2005–2010)\u003c\/li\u003e\n  \u003cli\u003eDodge Challenger (2005–2014, 2015–2023; trims include SRT8, Hellcat, Scat Pack, R\/T, T\/A, SE, SXT)\u003c\/li\u003e\n  \u003cli\u003eDodge Charger (2006–2010, 2012–2023; trims include SRT8, Hellcat, Scat Pack, R\/T, Pursuit, SE, Daytona, GT)\u003c\/li\u003e\n  \u003cli\u003eDodge Magnum (2006–2008; trims include SRT8, R\/T, SE, SXT)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47348405174484,"sku":"31013400","price":2107.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0016350_03b2bf41f08cdfe3d7b9909932be8313_e2508eec-9f83-4c0f-bacb-7cf2678f04a5.webp?v=1771724587"},{"product_id":"kooks-11-15-dodge-charger-srt8-12-15-challenger-srt8-3in-x-2-3-4in-catted-ss-connection-pipes","title":"Kooks Headers 3\" OEM Catted Mid Pipes EPS Sensor: Chrysler 300 \/ Dodge Challenger \/ Charger 11-14 6.4L 392","description":"\u003ch1\u003eKooks Headers Catted Stainless Steel Connection Pipes\u003c\/h1\u003e\n\u003ch2\u003eChrysler 300 \/ Dodge Challenger \/ Charger 11-14 6.4L 392\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 31013210\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Headers 3\" OEM Catted Mid Pipes with Exhaust Pressure Sensor (EPS) are precision-engineered exhaust components designed specifically for the 2011 to 2014 Dodge Challenger SRT8, Dodge Charger SRT8, and Chrysler 300 SRT8 equipped with the 6.4L 392 HEMI engine. These connection pipes are crafted to complement Kooks Headers, providing a seamless integration that enhances exhaust flow while maintaining essential emissions control through integrated catalytic converters and an exhaust pressure sensor.\u003c\/p\u003e\n\u003cp\u003eIdeal for muscle car enthusiasts and performance drivers, these pipes deliver improved throttle response, a more aggressive exhaust note, and reliable operation for both street and track use. They offer a perfect balance of performance gains and emissions compliance, making them a smart upgrade for owners who demand durability, precision, and race-proven quality from their exhaust system components.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eEngineered with performance and quality in mind, the Kooks Catted Stainless Steel Connection Pipes include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e3-inch inlet transitioning to a 2-3\/4-inch OEM outlet for perfect compatibility with factory exhaust systems\u003c\/li\u003e\n  \u003cli\u003eIntegrated standard race catalytic converters to reduce emissions without compromising exhaust flow\u003c\/li\u003e\n  \u003cli\u003eEquipped with an exhaust pressure sensor (EPS) and includes an EPS block-off plug for sensor management\u003c\/li\u003e\n  \u003cli\u003eDesigned for use exclusively with Kooks Headers to ensure proper fitment and optimal performance\u003c\/li\u003e\n  \u003cli\u003eConstructed from premium T304 aircraft-grade stainless steel for superior corrosion resistance and longevity\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA by Kooks, a leader in high-performance exhaust technology since 1962\u003c\/li\u003e\n  \u003cli\u003eBacked by a limited lifetime warranty to the original purchaser\u003c\/li\u003e\n  \u003cli\u003eStandard race cats are not recommended for forced induction applications\u003c\/li\u003e\n  \u003cli\u003eDyno and race tested to guarantee maximum power output and reliability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks utilizes top-tier T304 aircraft-grade stainless steel to manufacture these connection pipes, ensuring exceptional strength and resistance to rust and corrosion even under extreme operating conditions. Each pipe is meticulously handcrafted in the USA, reflecting over five decades of expertise in high-performance exhaust fabrication.\u003c\/p\u003e\n\u003cp\u003eThe design features OEM outlet sizing for a direct bolt-on fit, minimizing installation complexity and preserving the factory exhaust routing. Integrated catalytic converters balance emissions compliance with performance, while the built-in exhaust pressure sensor maintains proper engine management and diagnostics. This thoughtful engineering ensures enhanced exhaust flow without sacrificing system integrity or reliability.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eWhen paired with Kooks Headers, these catted connection pipes contribute to a freer-flowing exhaust system that improves throttle response and overall engine efficiency. The inclusion of standard race catalytic converters allows for emissions compliance without the restrictive effects of traditional cats, resulting in a more aggressive and refined exhaust tone that complements the muscular character of the SRT8 lineup.\u003c\/p\u003e\n\u003cp\u003eDrivers can expect a powerful yet balanced exhaust note that enhances the driving experience on both street and track.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThese connection pipes are engineered for a direct fit on 2011–2014 Dodge Challenger SRT8, Dodge Charger SRT8, and Chrysler 300 SRT8 models equipped with the 6.4L 392 HEMI engine. Installation requires the use of Kooks Headers, as these pipes are designed to mate precisely with those components for optimal performance and fitment.\u003c\/p\u003e\n\u003cp\u003eThe installation process involves standard exhaust system modifications and sensor connections. An EPS block-off plug is included for applications where the exhaust pressure sensor is not utilized. Professional installation is recommended to ensure proper fitment, sensor calibration, and maximum performance benefits.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eOne pair of 3\" x 2-3\/4\" catted stainless steel connection pipes\u003c\/li\u003e\n  \u003cli\u003eIntegrated exhaust pressure sensor (EPS)\u003c\/li\u003e\n  \u003cli\u003eEPS block-off plug\u003c\/li\u003e\n  \u003cli\u003eInstallation hardware as required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis product is perfect for muscle car enthusiasts and performance drivers who own a 2011–2014 Dodge Challenger SRT8, Dodge Charger SRT8, or Chrysler 300 SRT8 and want to upgrade their exhaust system with high-quality, race-proven components. It is suited for those seeking to maintain emissions compliance while enhancing exhaust flow, sound, and overall engine performance. Whether for street, strip, or track use, these connection pipes deliver the durability and precision demanded by serious performance enthusiasts.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47348411564244,"sku":"31013210","price":1187.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0016322_9c3ebfbf3026b22e14b40bd92cb71853_3e98c7c2-6a8b-4369-9cf4-0f61e072c4e4.webp?v=1771724584"},{"product_id":"kooks-2007-jeep-wrangler-jk-w-ls-engine-swap-3in-green-cat-ss-y-pipe-kooks-hdr-req","title":"Kooks Headers 3in SS Green Catted Y-Pipe: Jeep Wrangler 07-18 3.8L\/3.6L w\/ LS Engine Swap","description":"\u003ch3\u003eKooks Headers Stainless Steel Green Catted Y-Pipe\u003c\/h3\u003e\u003cp\u003eJeep Wrangler 07-18 3.8L\/3.6L\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e37103300\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Kooks Headers 3-inch Stainless Steel Green Catted Y-Pipe is a precision-engineered exhaust component designed specifically for Jeep Wrangler JK 4-door models from 2007 to 2018 equipped with LS engine swaps. Crafted to complement Kooks Headers and Cat-Back Exhaust systems, this Y-pipe enhances exhaust flow while maintaining emissions compliance through its high-flow catalytic converters. Ideal for enthusiasts seeking to maximize power and efficiency in their LS-swapped Jeep Wranglers, this Y-pipe delivers a perfect balance of performance and durability for street, race, and off-road applications.\u003c\/p\u003e\u003cp\u003eBuilt with the same commitment to quality that has made Kooks Headers a leader in high-performance exhaust systems for over 50 years, this Y-pipe is a critical component for those upgrading their exhaust setup to achieve optimal power gains and reliable operation.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned with precision and performance in mind, the Kooks Stainless Steel Green Catted Y-Pipe offers the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from 304 aircraft-quality stainless steel for superior corrosion resistance and longevity\u003c\/li\u003e\n\u003cli\u003e3-inch mandrel-bent 16-gauge tubing ensures smooth exhaust flow and minimal restriction\u003c\/li\u003e\n\u003cli\u003eEquipped with Kooks GREENcats 300-cell high-flow catalytic converters for improved emissions control without sacrificing performance\u003c\/li\u003e\n\u003cli\u003eTorca swivel seal style connection on the inlet for a secure, leak-free fit\u003c\/li\u003e\n\u003cli\u003eSpecifically designed to be used with Kooks Headers Part #37102200 or #37102400\u003c\/li\u003e\n\u003cli\u003eCompatible with Kooks Cat-Back Exhaust Part #37104100 for a complete exhaust upgrade\u003c\/li\u003e\n\u003cli\u003eEngineered for LS engine swaps using RPM Extreme or similar LS swap kits\u003c\/li\u003e\n\u003cli\u003eRecommended minimum 2-1\/2 inch suspension lift for proper clearance\u003c\/li\u003e\n\u003cli\u003eCustom fitment may require additional modifications or parts, especially for 2-door Wrangler models\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis Y-pipe is handcrafted in the USA using premium 304 stainless steel, known for its exceptional strength and resistance to rust and heat. The 3-inch mandrel-bent tubing maintains consistent diameter throughout bends, reducing turbulence and backpressure to optimize exhaust scavenging. The integration of Kooks GREENcats 300-cell catalytic converters balances high flow with emissions compliance, making it suitable for street-legal applications where applicable.\u003c\/p\u003e\u003cp\u003eThe Torca swivel seal connection enhances installation precision and durability by providing a tight, vibration-resistant seal at the inlet. Every component is dyno-tested and race-proven to ensure it meets Kooks’ rigorous standards for performance and reliability.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis Y-pipe is engineered exclusively for Jeep Wrangler JK 4-door models from 2007 to 2018 with LS engine swaps. It must be paired with Kooks Headers (Part #37102200 or #37102400) and is designed to connect seamlessly to Kooks Cat-Back Exhaust systems (Part #37104100). Installation requires a minimum 2-1\/2 inch suspension lift to provide adequate clearance.\u003c\/p\u003e\u003cp\u003eFor 2-door Wrangler models, fuel tank relocation may be necessary due to space constraints. Because this is a custom application part, additional modifications or components might be required for proper fitment. It is recommended to consult with Kooks Headers and Exhaust prior to ordering to ensure compatibility with your specific build.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3-inch Stainless Steel Green Catted Y-Pipe\u003c\/li\u003e\n\u003cli\u003eKooks GREENcats 300-cell high-flow catalytic converters integrated\u003c\/li\u003e\n\u003cli\u003eTorca swivel seal style inlet connection\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis Y-pipe is perfect for Jeep Wrangler JK owners who have performed or plan to perform an LS engine swap and want to maximize exhaust efficiency and power output. It suits enthusiasts focused on street performance, off-road capability, and track use who require a durable, high-quality exhaust component that integrates seamlessly with Kooks Headers and Cat-Back systems.\u003c\/p\u003e\u003cp\u003eAdditionally, it is ideal for those seeking a handcrafted, American-made exhaust solution backed by decades of racing heritage and engineering expertise.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47348718928084,"sku":"37103300","price":2205.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0011852_0ff666d4012fe719678b17cc0f248cd0_0e7e8142-74b3-4395-bd2d-a9b600e88287.webp?v=1771724462"},{"product_id":"kooks-2007-jeep-wrangler-jk-w-ls-swap-3in-cat-back-ss-exhaust-must-use-w-kooks-headers","title":"Kooks Headers 3in SS Cat-Back Exhaust (F\u0026R): Jeep Wrangler 07-18 3.8L\/3.6L w\/ LS Swap","description":"\u003ch3\u003eKooks Headers Cat-Back Exhaust System\u003c\/h3\u003e\u003cp\u003eJeep Wrangler 07-18 3.8L\/3.6L\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e37104100\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Kooks Headers 3-inch Stainless Steel Cat-Back Exhaust is engineered specifically for Jeep Wrangler JK models from 2007 to 2018 and select 2005 to 2010 Jeep Grand Cherokee vehicles equipped with an LS engine swap. Designed to complement Kooks Headers and Y-Pipe setups, this exhaust system delivers enhanced exhaust flow, improved power output, and a distinctive aggressive sound tailored for street, race, and off-road enthusiasts. Crafted for those who demand high performance and durability, this cat-back exhaust is ideal for Jeep owners upgrading to LS powertrains seeking a reliable and powerful exhaust solution.\u003c\/p\u003e\u003cp\u003eBacked by over 50 years of racing heritage and innovation, Kooks Headers and Exhaust continues to lead the industry with products that combine precision engineering and handcrafted quality. This cat-back system is a perfect match for LS-swapped Jeep Wranglers, providing a robust exhaust path that maximizes engine efficiency and performance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis 3-inch stainless steel cat-back exhaust system offers a range of features designed to optimize your LS-swapped Jeep’s performance and sound:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3-inch mandrel-bent tubing constructed from 16 gauge 304 stainless steel for superior strength and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eOval muffler measuring 4\" x 9\" x 14\" for balanced sound attenuation and performance\u003c\/li\u003e\n\u003cli\u003eDesigned specifically to be used with Kooks Headers and Y-Pipe for seamless integration\u003c\/li\u003e\n\u003cli\u003eEngineered for LS engine swaps using RPM Extreme or similar LS swap kits\u003c\/li\u003e\n\u003cli\u003eRecommended minimum 2-1\/2 inch suspension lift to ensure proper fitment and clearance\u003c\/li\u003e\n\u003cli\u003eHandcrafted in the USA with meticulous attention to detail and quality control\u003c\/li\u003e\n\u003cli\u003eDyno and race tested to ensure maximum power gains and durability\u003c\/li\u003e\n\u003cli\u003eLimited lifetime warranty to the original purchaser, reflecting confidence in product longevity\u003c\/li\u003e\n\u003cli\u003eCompatible with a wide range of Jeep Wrangler JK trims including Rubicon, Sahara, Sport, Unlimited, and more\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Kooks cat-back exhaust system is built from premium 304 aircraft-quality stainless steel, known for its excellent resistance to rust and corrosion even under harsh off-road conditions. The 16 gauge tubing is mandrel bent to maintain consistent diameter throughout bends, ensuring unrestricted exhaust flow and minimizing turbulence. The oval muffler is designed to provide a perfect balance between sound suppression and performance, delivering a deep, aggressive exhaust note without excessive drone.\u003c\/p\u003e\u003cp\u003eEvery component is handcrafted in the USA by skilled technicians, continuing Kooks’ legacy of precision manufacturing and family-owned craftsmanship. This attention to detail guarantees a system that not only performs but also fits precisely with minimal modifications when paired with the recommended headers and Y-pipe.\u003c\/p\u003e\u003cp\u003ePerformance \u0026amp; Sound\u003c\/p\u003e\u003cp\u003eWhen combined with Kooks Headers and Y-Pipe, this cat-back exhaust system significantly improves exhaust scavenging, reducing backpressure and enhancing engine breathing. This results in increased horsepower and torque across the RPM range, especially beneficial for LS-swapped Jeep Wranglers tackling both on-road and off-road challenges. The exhaust note is aggressive yet refined, providing a powerful growl that complements the LS engine’s character without overwhelming cabin comfort.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis cat-back exhaust is designed specifically for Jeep Wrangler JK models from 2007 to 2018 and select 2005 to 2010 Jeep Grand Cherokee vehicles equipped with an LS engine swap. It must be used in conjunction with Kooks Headers and Y-Pipe for proper fitment and optimal performance. A minimum 2-1\/2 inch suspension lift is recommended to ensure adequate clearance and avoid interference with suspension components.\u003c\/p\u003e\u003cp\u003eDue to the custom nature of LS swaps and varying vehicle configurations, additional modifications or parts may be required for a perfect fit. It is strongly advised to consult with Kooks Headers and Exhaust before ordering to confirm compatibility and installation requirements.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3-inch stainless steel cat-back exhaust system\u003c\/li\u003e\n\u003cli\u003e3-inch mandrel bent 16 gauge 304 stainless steel tubing\u003c\/li\u003e\n\u003cli\u003e3-inch oval muffler (4\" x 9\" x 14\")\u003c\/li\u003e\n\u003cli\u003eHardware and clamps for installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis exhaust system is ideal for Jeep Wrangler JK owners who have performed or plan to perform an LS engine swap and want to maximize power, sound, and durability. It is perfect for off-road enthusiasts, street performance drivers, and racers who demand a high-quality exhaust system that complements their LS powertrain and enhances overall vehicle performance.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47348719419604,"sku":"37104100","price":635.36,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0011830_56d2e35edfb5b13fe59092873cc13dda_746df580-7132-4f9d-a20d-153346009c53.webp?v=1771724458"},{"product_id":"kooks-2007-jeep-wrangler-jk-w-ls-swap-3in-catted-ss-y-pipe-kooks-headers-required","title":"Kooks SS 3in Catted Y-Pipe (F\u0026R): Jeep Wrangler 07-18 3.8L\/3.6L w\/ Headers Required","description":"\u003ch3\u003eKooks Headers Stainless Steel Catted Y-Pipe\u003c\/h3\u003e\u003cp\u003eJeep Wrangler 07-18 3.8L\/3.6L\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e37103200\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Kooks Stainless Steel 3-inch Catted Y-Pipe is engineered specifically for LS engine swaps in Jeep Wrangler models from 2007 to 2018 and Jeep Grand Cherokee models from 2005 to 2010. Designed to be used in conjunction with Kooks headers, this Y-pipe provides a seamless connection between the exhaust headers and the cat-back system, ensuring optimal exhaust flow and performance. Ideal for enthusiasts upgrading their Jeep with an LS engine, this component enhances power delivery while maintaining emissions compliance through high-flow catalytic converters.\u003c\/p\u003e\u003cp\u003eHandcrafted in the USA by Kooks Headers and Exhaust, a leader in high-performance exhaust systems for over 50 years, this Y-pipe is built to meet the demands of street, race, and off-road applications. It is a critical component for anyone looking to maximize the potential of their LS swap with reliable, race-proven hardware.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDesigned with precision and durability in mind, the Kooks Stainless Steel Catted Y-Pipe offers the following key features:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from premium 304 stainless steel for superior corrosion resistance and longevity\u003c\/li\u003e\n\u003cli\u003e3-inch mandrel-bent 16-gauge tubing for smooth exhaust flow and minimal restriction\u003c\/li\u003e\n\u003cli\u003eEquipped with Kooks 300 cell standard race high-flow catalytic converters for improved emissions control without sacrificing performance\u003c\/li\u003e\n\u003cli\u003eTorca swivel seal style connection on the inlet for secure, leak-free fitment\u003c\/li\u003e\n\u003cli\u003eDesigned exclusively for use with Kooks headers (Part #37102200 or #37102400) and compatible with Kooks cat-back exhaust systems (Part #37104100)\u003c\/li\u003e\n\u003cli\u003eOptimized for LS engine swaps using RPM Extreme or similar LS swap kits\u003c\/li\u003e\n\u003cli\u003eBacked by Kooks’ limited lifetime warranty to the original purchaser\u003c\/li\u003e\n\u003cli\u003eDyno and race tested to ensure maximum power output and durability\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Y-pipe is expertly handcrafted in the USA using aircraft-quality T304 stainless steel, known for its exceptional strength and resistance to rust and corrosion. The 3-inch mandrel-bent tubing maintains consistent diameter throughout bends, preventing flow restrictions and turbulence that can reduce engine efficiency. The integrated high-flow catalytic converters utilize a 300 cell design, balancing emissions compliance with performance gains. The Torca swivel seal connection ensures a tight, vibration-resistant joint, simplifying installation and enhancing durability under demanding conditions.\u003c\/p\u003e\u003cp\u003ePerformance \u0026amp; Sound\u003c\/p\u003e\u003cp\u003eBy optimizing exhaust flow from the LS engine headers through to the cat-back system, this Y-pipe contributes to improved horsepower and torque delivery. The high-flow catalytic converters maintain emissions standards while minimizing backpressure, resulting in a more responsive throttle and enhanced engine sound. This setup is ideal for drivers seeking a balance between street-legal operation and aggressive performance tone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis Y-pipe is designed for Jeep Wrangler JK 4-door models from 2007 to 2018 and Jeep Grand Cherokee models from 2005 to 2010 equipped with LS engine swaps. Installation requires the use of Kooks headers and is compatible with RPM Extreme or similar LS swap kits. For proper fitment, the RPM Extreme engine mount plate (Part #JKLS-HC-ENG-MOUNT) or equivalent and GM Gen 4 style hydraulic engine mounts are necessary. Two-door Jeep Wrangler models may require fuel tank relocation, and a minimum 2-1\/2 inch suspension lift is recommended to accommodate the exhaust system. Due to the custom nature of LS swaps, additional modifications or parts may be required; consulting Kooks Headers and Exhaust prior to purchase is advised.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e3-inch stainless steel catted Y-pipe with integrated high-flow catalytic converters\u003c\/li\u003e\n\u003cli\u003eTorca swivel seal style inlet connection\u003c\/li\u003e\n\u003cli\u003eInstallation hardware as required\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis Y-pipe is perfect for Jeep enthusiasts performing LS engine swaps who demand a high-quality, durable exhaust component that supports both performance and emissions compliance. It suits street drivers, off-road adventurers, and racers who rely on proven, handcrafted American-made parts to maximize their vehicle’s potential.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47348719452372,"sku":"37103200","price":1665.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0011826_0ff666d4012fe719678b17cc0f248cd0_b1ecfb95-a06e-4b42-9823-47d2245c83d1.webp?v=1771724458"},{"product_id":"kooks-19-20-ram-1500-5-7l-hemi-1-7-8in-x-3in-ss-long-tube-headers-w-3in-x-oem-hiflo-catted-y-pipe","title":"Kooks Headers 1.875\" x 3\" Longtube Headers \u0026 Catted Y-Pipe: Ram 1500 19-24 5.7L Hemi","description":"\u003ch1\u003eKooks Headers Longtube Headers \u0026amp; Catted Y-Pipe\u003c\/h1\u003e\n\u003ch2\u003eRam 1500 19-24 5.7L Hemi\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 3520H420\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks Headers 1.875\" x 3\" Longtube Headers \u0026amp; Catted Y-Pipe is a premium exhaust upgrade designed specifically for the 2019 to 2026 RAM 1500 equipped with the 5.7L VVT HEMI engine. Renowned for over 50 years of excellence in high-performance exhaust systems, Kooks delivers a handcrafted solution that enhances exhaust flow, improves throttle response, and unlocks the true potential of your HEMI-powered truck.\u003c\/p\u003e\n\u003cp\u003eIdeal for enthusiasts seeking both street and off-road performance gains, this header and Y-pipe combination offers a perfect balance of power, sound, and durability. Whether you’re looking to increase horsepower, torque, or simply upgrade your exhaust system’s efficiency, Kooks provides a proven product backed by decades of racing heritage and engineering expertise.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eEngineered for maximum performance and reliability, these longtube headers and catted Y-pipe feature:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision mandrel-bent 1.875\" primary tubes for optimized exhaust scavenging\u003c\/li\u003e\n  \u003cli\u003e3\" collector diameter to enhance exhaust flow and reduce backpressure\u003c\/li\u003e\n  \u003cli\u003eIntegrated catted Y-pipe for improved emissions control without sacrificing performance\u003c\/li\u003e\n  \u003cli\u003eHandcrafted construction in the USA ensuring superior quality and fitment\u003c\/li\u003e\n  \u003cli\u003eDesigned specifically for the RAM 1500 5.7L VVT HEMI (2019–2026) for a direct bolt-on installation\u003c\/li\u003e\n  \u003cli\u003eCompatible with factory and aftermarket components for versatile integration\u003c\/li\u003e\n  \u003cli\u003eDurable stainless steel materials for corrosion resistance and long service life\u003c\/li\u003e\n  \u003cli\u003eProven performance gains supported by Kooks’ extensive motorsports experience\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks Headers are meticulously handcrafted using premium stainless steel to withstand the rigors of daily driving and high-performance use. The 1.875\" primary tubes are mandrel bent to maintain consistent diameter and smooth bends, which promotes efficient exhaust gas flow and reduces turbulence. The 3\" collectors are designed to merge exhaust pulses effectively, enhancing scavenging and power output.\u003c\/p\u003e\n\u003cp\u003eThe integrated catted Y-pipe ensures that emissions are managed responsibly while maintaining the free-flowing characteristics essential for performance. Every weld and joint is precision-crafted to deliver a perfect fit and finish, reflecting Kooks’ commitment to quality and durability.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eBy replacing the restrictive factory manifolds and exhaust components, these longtube headers and catted Y-pipe significantly improve exhaust flow, resulting in enhanced horsepower and torque throughout the RPM range. The design also contributes to a deeper, more aggressive exhaust note that complements the muscular character of the 5.7L VVT HEMI engine without excessive drone.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eDesigned as a direct fit for the 2019–2026 RAM 1500 with the 5.7L VVT HEMI, installation is straightforward with no major modifications required. The kit bolts directly to the factory exhaust flanges and mounts, ensuring a secure and leak-free connection. Basic mechanical skills and common hand tools are sufficient for installation, though professional installation is recommended for optimal results.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1.875\" diameter longtube headers\u003c\/li\u003e\n  \u003cli\u003e3\" diameter catted Y-pipe\u003c\/li\u003e\n  \u003cli\u003eAll necessary gaskets and hardware for installation\u003c\/li\u003e\n  \u003cli\u003eDetailed installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis Kooks Headers kit is perfect for RAM 1500 owners who want to upgrade their exhaust system for improved performance, sound, and durability. It suits street drivers, weekend warriors, and off-road enthusiasts who demand quality and proven results from a trusted American manufacturer. Whether upgrading a stock truck or building a performance rig, this header and Y-pipe combo delivers measurable gains and a refined exhaust tone.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47537584439508,"sku":"3520H420","price":4244.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0003232_741c274c93cd52843e608c2a67cfbb67_946b08d9-e00c-424f-ae46-41e522f32ae0.webp?v=1771672635"},{"product_id":"kooks-ram-trx-1-7-8in-x-3in-long-tube-headers-3in-x-oem-h-o-green-connections","title":"Kooks 1.875\" x 3\" Longtube Headers \u0026 GREEN Catted Mid Pipes: Ram 1500 21-23 6.2L TRX","description":"\u003ch1\u003eKooks Headers Longtube Headers \u0026amp; Catted Mid Pipes\u003c\/h1\u003e\n\u003ch2\u003eRam 1500 21-23 6.2L TRX\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 3521H440\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks 1.875\" x 3\" Longtube Headers paired with GREEN Catted Mid Pipes are engineered specifically for the 2021–2024 RAM TRX equipped with the 6.2L HEMI engine. Designed for enthusiasts seeking to maximize exhaust flow and performance, this complete header and mid-pipe system delivers enhanced horsepower and torque while maintaining street-legal emissions compliance. Kooks Headers and Exhaust has been a trusted name in high-performance exhaust components since 1962, offering products that excel in street, race, and off-road applications.\u003c\/p\u003e\n\u003cp\u003eThis system is ideal for RAM TRX owners who want to unlock the full potential of their supercharged HEMI engine with a handcrafted, American-made solution that combines durability, precision engineering, and proven race-winning technology.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eBuilt with decades of racing heritage and innovation, these Kooks headers and mid pipes offer a range of benefits:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision mandrel-bent 1.875\" diameter longtube headers for optimal exhaust scavenging\u003c\/li\u003e\n  \u003cli\u003e3\" diameter GREEN catted mid pipes designed to balance performance with emissions compliance\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA using premium stainless steel for corrosion resistance and longevity\u003c\/li\u003e\n  \u003cli\u003eDirect bolt-on fitment for 2021–2024 RAM TRX 6.2L HEMI with no major modifications required\u003c\/li\u003e\n  \u003cli\u003eImproved exhaust flow reduces backpressure, enhancing throttle response and power delivery\u003c\/li\u003e\n  \u003cli\u003eCompatible with factory and aftermarket exhaust systems for versatile installation options\u003c\/li\u003e\n  \u003cli\u003eProven durability and quality backed by Kooks’ 50+ years of high-performance exhaust expertise\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks Headers are meticulously crafted from high-grade stainless steel, ensuring exceptional strength and resistance to heat and corrosion. The longtube design features smooth mandrel bends that maintain consistent exhaust gas velocity, which is critical for maximizing engine efficiency and power output. The 3\" GREEN catted mid pipes incorporate high-flow catalytic converters that meet emissions standards while minimizing restriction. Every component is TIG-welded by skilled technicians, guaranteeing a precise fit and finish that withstands the rigors of street and track use.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis header and mid-pipe system is engineered for direct replacement on the 2021–2024 RAM TRX 6.2L HEMI, allowing for a straightforward installation process. Basic hand tools and mechanical knowledge are sufficient for installation, and no cutting or welding is typically required. The system is designed to integrate seamlessly with the factory exhaust and emissions hardware, preserving vehicle compliance and drivability.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSet of 1.875\" diameter longtube headers\u003c\/li\u003e\n  \u003cli\u003ePair of 3\" GREEN catted mid pipes (front and rear sections)\u003c\/li\u003e\n  \u003cli\u003eAll necessary gaskets and hardware for installation\u003c\/li\u003e\n  \u003cli\u003eDetailed installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis Kooks header and mid-pipe package is perfect for RAM TRX owners who want to enhance their truck’s performance without sacrificing emissions compliance. It suits enthusiasts who demand a high-quality, durable exhaust upgrade that delivers measurable gains in horsepower and torque, improved throttle response, and a more aggressive exhaust note. Whether for spirited street driving, off-road adventures, or occasional track use, this system provides a reliable and effective solution.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47537584570580,"sku":"3521H440","price":3850.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0003212_c17802d1f2d6098edd34403d59b288db_5792ad5c-0c39-45d2-ae78-12ff15842713.webp?v=1771672634"},{"product_id":"kooks-ram-trx-2in-x-3in-long-tube-headers-3in-x-oem-h-o-green-connections","title":"Kooks 2\" x 3\" Longtube Headers \u0026 GREEN Catted Mid Pipes: Ram 1500 21-23 6.2L TRX","description":"\u003ch1\u003eKooks Headers Longtube Headers \u0026amp; Green Catted Mid Pipes\u003c\/h1\u003e\n\u003ch2\u003eRam 1500 21-23 6.2L TRX\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 3521H640\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eKooks Headers and Exhaust has been a pioneer in the high-performance exhaust industry for over 50 years, delivering premium exhaust components designed to maximize power and efficiency. The Kooks 2\" x 3\" Longtube Headers paired with Green Catted Mid Pipes are engineered specifically for the 2021–2024 RAM TRX equipped with the 6.2L HEMI engine. This combination enhances exhaust flow, reduces backpressure, and improves throttle response, making it an ideal upgrade for enthusiasts seeking both street and off-road performance gains.\u003c\/p\u003e\n\u003cp\u003eHandcrafted in the USA with meticulous attention to detail, these headers and mid pipes offer a perfect fit and durable construction, ensuring long-lasting performance and reliability. Whether you’re looking to increase horsepower, torque, or simply achieve a more aggressive exhaust note, Kooks delivers a solution tailored to your RAM TRX’s demanding powertrain.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eDesigned for serious performance enthusiasts, the Kooks Longtube Headers and Green Catted Mid Pipes provide numerous benefits:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision-engineered 2\" primary tubes expanding to 3\" collectors for optimal exhaust scavenging\u003c\/li\u003e\n  \u003cli\u003eGreen catted mid pipes that maintain emissions compliance while improving flow\u003c\/li\u003e\n  \u003cli\u003eHandcrafted construction in the USA ensuring superior quality and fitment\u003c\/li\u003e\n  \u003cli\u003eCompatible with 2021–2024 RAM TRX 6.2L HEMI engines for a direct bolt-on upgrade\u003c\/li\u003e\n  \u003cli\u003eImproved throttle response and reduced exhaust backpressure for enhanced performance\u003c\/li\u003e\n  \u003cli\u003eDurable materials designed to withstand high temperatures and harsh conditions\u003c\/li\u003e\n  \u003cli\u003eProven racing heritage with decades of championship-winning technology\u003c\/li\u003e\n  \u003cli\u003eDesigned to work seamlessly with factory and aftermarket exhaust components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks Headers are crafted from premium-grade stainless steel, chosen for its excellent corrosion resistance and ability to handle extreme heat cycles without warping or cracking. The 2\" diameter primary tubes smoothly transition into 3\" collectors, engineered to optimize exhaust gas velocity and improve scavenging effects. Each header is mandrel-bent to maintain consistent diameter throughout the bends, ensuring unrestricted flow and maximum efficiency.\u003c\/p\u003e\n\u003cp\u003eThe Green Catted Mid Pipes incorporate high-flow catalytic converters that balance emissions requirements with performance gains. These mid pipes are precision-welded and designed to fit perfectly with the longtube headers and factory exhaust system, providing a seamless installation experience.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eUpgrading to Kooks Longtube Headers and Green Catted Mid Pipes significantly enhances your RAM TRX’s exhaust flow, resulting in improved horsepower and torque delivery across the RPM range. The reduction in backpressure allows the 6.2L HEMI engine to breathe more freely, translating into sharper throttle response and a more aggressive exhaust tone. Expect a deep, muscular sound that complements the TRX’s high-performance character without excessive drone.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThese headers and mid pipes are designed as a direct bolt-on replacement for the factory exhaust manifolds and mid pipes on 2021–2024 RAM TRX models with the 6.2L HEMI engine. Installation requires basic mechanical skills and common hand tools. No major modifications or cutting are necessary, and all mounting points align with factory locations to ensure a straightforward fit. Professional installation is recommended for optimal results and to maintain warranty coverage.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSet of 2\" x 3\" Longtube Headers\u003c\/li\u003e\n  \u003cli\u003eGreen Catted Mid Pipes (Front and Rear sections)\u003c\/li\u003e\n  \u003cli\u003eAll necessary gaskets and hardware for installation\u003c\/li\u003e\n  \u003cli\u003eDetailed installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis Kooks Headers and Exhaust package is perfect for RAM TRX owners who demand enhanced performance and sound from their 6.2L HEMI engine. Whether you’re a street enthusiast, weekend warrior, or off-road adventurer, these headers and mid pipes offer a reliable upgrade that improves power delivery and exhaust tone without sacrificing emissions compliance. It’s also an excellent choice for those looking to complement other performance modifications such as tuning, intake upgrades, or suspension enhancements.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47537584701652,"sku":"3521H640","price":3953.34,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0001070_c17802d1f2d6098edd34403d59b288db_f116c453-8897-4a4b-9da3-d5a94d31715c.webp?v=1771724520"},{"product_id":"kooks-11-20-dodge-durango-1-7-8-x-3-header-green-catted-hemi-conn-kit","title":"Kooks 1.875\" Longtube Headers w\/ OEM GREEN Catted Mid Pipes: Dodge Durango \/ Jeep Grand Cherokee 11-26 5.7L Hemi","description":"\u003ch1\u003eKooks Headers Longtube Headers \u0026amp; OEM GREEN Catted Mid Pipes\u003c\/h1\u003e\n\u003ch2\u003eDodge Durango \/ Jeep Grand Cherokee 11-26 5.7L Hemi\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e 3610H431\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Kooks 1.875\" Longtube Headers paired with OEM GREEN Catted Mid Pipes are engineered specifically for the 2011–2021 Jeep Grand Cherokee and 2011–2024 Dodge Durango R\/T equipped with the 5.7L VVT HEMI engine. Designed for enthusiasts seeking to enhance exhaust flow, increase horsepower, and improve throttle response, this complete header and mid-pipe system offers a direct bolt-on upgrade that maintains emissions compliance with the included OEM GREEN catalytic converters.\u003c\/p\u003e\n\u003cp\u003eKooks Headers and Exhaust has been a leader in high-performance exhaust technology since 1962, with decades of racing heritage and a commitment to quality craftsmanship. This system is ideal for street and light off-road use, delivering a balance of performance gains and reliable operation without sacrificing emissions standards.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eBuilt to exacting standards, the Kooks 1.875\" Longtube Headers with OEM GREEN Catted Mid Pipes provide numerous benefits:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePrecision mandrel-bent 1.875\" tubing for optimal exhaust flow and scavenging\u003c\/li\u003e\n  \u003cli\u003eHandcrafted in the USA by Kooks’ experienced team ensuring superior quality\u003c\/li\u003e\n  \u003cli\u003eIncludes OEM GREEN catalytic converters for emissions compliance and reduced environmental impact\u003c\/li\u003e\n  \u003cli\u003eDirect bolt-on fitment with factory-style flanges and hardware for straightforward installation\u003c\/li\u003e\n  \u003cli\u003eImproved horsepower and torque potential through reduced backpressure\u003c\/li\u003e\n  \u003cli\u003eDurable construction designed to withstand high temperatures and harsh conditions\u003c\/li\u003e\n  \u003cli\u003eCompatible with factory exhaust components downstream of the mid pipes\u003c\/li\u003e\n  \u003cli\u003eDesigned specifically for the 5.7L VVT HEMI engine in Jeep Grand Cherokee and Dodge Durango R\/T models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eKooks utilizes premium-grade stainless steel tubing for these longtube headers, ensuring excellent corrosion resistance and long-lasting durability. The 1.875\" diameter tubing is carefully mandrel bent to maintain smooth bends that maximize exhaust gas velocity and minimize turbulence. The headers feature thick flanges and precision welds to guarantee a leak-free seal and robust structural integrity.\u003c\/p\u003e\n\u003cp\u003eThe OEM GREEN catted mid pipes integrate factory-grade catalytic converters that meet emissions standards while complementing the enhanced flow characteristics of the headers. This combination preserves the vehicle’s environmental compliance without compromising performance gains.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis Kooks header and mid-pipe system is designed for a direct bolt-on installation on 2011–2021 Jeep Grand Cherokee and 2011–2024 Dodge Durango R\/T models equipped with the 5.7L VVT HEMI engine. No cutting or welding is required, and the system uses factory mounting points and hardware for a secure fit. Installation typically requires moderate mechanical skills and standard hand tools.\u003c\/p\u003e\n\u003cp\u003eIt is recommended to have a professional or experienced technician perform the installation to ensure proper fitment and to avoid potential exhaust leaks. The system is compatible with the factory exhaust downstream of the mid pipes, allowing for seamless integration with stock or aftermarket components.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSet of 1.875\" diameter longtube headers, handcrafted by Kooks\u003c\/li\u003e\n  \u003cli\u003eOEM GREEN catted mid pipes with factory catalytic converters\u003c\/li\u003e\n  \u003cli\u003eNecessary gaskets and hardware for installation\u003c\/li\u003e\n  \u003cli\u003eDetailed installation instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis Kooks longtube header and mid-pipe system is perfect for Jeep Grand Cherokee and Dodge Durango R\/T owners who want to unlock additional power and improve exhaust efficiency without sacrificing emissions compliance. It suits enthusiasts who use their vehicles for spirited street driving, occasional towing, or light off-road adventures and desire a high-quality, American-made performance upgrade.\u003c\/p\u003e","brand":"Kooks Headers","offers":[{"title":"Default Title","offer_id":47537584865492,"sku":"3610H431","price":3195.42,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/0001052_e5fd62c3b1567fa6176f42b46cb87851_12304e41-bfeb-4da4-b362-ecaaaedb1cfa.webp?v=1771724519"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/collections\/0000785_T143842205.webp?v=1771741406","url":"https:\/\/fasthemis.com\/collections\/kooks.oembed?page=2","provider":"FastHemis","version":"1.0","type":"link"}