{"product_id":"arh-jeep-grand-cherokee-srt8-2012-up-full-system","title":"American Racing Headers Full System 1.75-2\" Primaries: Jeep Grand Cherokee 2012-2021 6.4L SRT","description":"\u003ch1\u003eAmerican Racing Headers Full System\u003c\/h1\u003e\n\u003ch2\u003e2012–2014 Jeep Grand Cherokee 6.4L SRT8, 2015–2021 Jeep Grand Cherokee 6.4L SRT\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e JPGC-12200300FSNC\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe American Racing Headers (ARH) Full System for Jeep Grand Cherokee 6.4L SRT models from 2012 through 2021 is engineered to deliver exceptional exhaust flow and performance gains. Designed specifically for the SRT8 and SRT variants, this long tube header system replaces the factory exhaust manifolds with precision-crafted stainless steel primaries, merge collectors, and scavenger spikes. Enthusiasts seeking improved horsepower, torque, and throttle response will appreciate the meticulous fitment and durable construction of this full system.\u003c\/p\u003e\n\u003cp\u003eARH’s full system is ideal for racers and performance-minded Jeep owners who demand uncompromising quality and race-proven technology. It offers a direct bolt-on fitment with optimized tube routing to maximize exhaust scavenging and minimize restrictions, ensuring your 6.4L V8 breathes more efficiently under all driving conditions.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eThis full system incorporates advanced design elements and premium materials to enhance both performance and reliability:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAvailable with 1.75\", 1.875\", or 2\" diameter long tube primaries to suit different tuning preferences\u003c\/li\u003e\n  \u003cli\u003eExclusive TIG welded 3\" merge collectors featuring scavenger spikes for improved exhaust gas velocity\u003c\/li\u003e\n  \u003cli\u003e3\/8\" thick laser-cut stainless steel flanges for a warp-free, leak-proof seal\u003c\/li\u003e\n  \u003cli\u003eHand-ported inlets precisely TIG welded for optimal flow and fitment\u003c\/li\u003e\n  \u003cli\u003eConstructed entirely from 304 stainless steel for superior corrosion resistance and durability\u003c\/li\u003e\n  \u003cli\u003eOptimized primary tube routing engineered for a perfect fit and maximum performance\u003c\/li\u003e\n  \u003cli\u003eOptional catted systems equipped with severe duty 300 cell catalytic converters, with upgrade options to 400 cell G-Sport catalytic converters available upon request\u003c\/li\u003e\n  \u003cli\u003e100% Made in the USA with no outsourcing, ensuring consistent quality and craftsmanship\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eConstruction \u0026amp; Design\u003c\/h3\u003e\n\u003cp\u003eThe ARH Full System is built from premium 304 stainless steel, chosen for its excellent strength and resistance to heat and corrosion. The 3\/8\" thick laser-cut flanges provide a solid, warp-resistant mounting surface, preventing exhaust leaks and ensuring long-term durability. Each header inlet is hand-ported and TIG welded to guarantee smooth airflow transitions and precise fitment to the cylinder heads.\u003c\/p\u003e\n\u003cp\u003eThe long tube primary design enhances exhaust scavenging by allowing exhaust pulses to exit more efficiently, reducing backpressure and improving engine breathing. The 3\" merge collectors incorporate scavenger spikes, a unique ARH technology that helps maintain exhaust gas velocity and improves overall flow dynamics. This combination results in a system that not only fits perfectly but also delivers measurable performance benefits.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThis full header system is engineered for direct bolt-on installation on 2012–2014 Jeep Grand Cherokee 6.4L SRT8 and 2015–2021 Jeep Grand Cherokee 6.4L SRT models. The optimized tube routing and precise flange alignment minimize the need for modifications, making installation straightforward for experienced mechanics. However, due to the nature of long tube headers, some adjustments to factory components or exhaust hangers may be necessary depending on the vehicle’s configuration.\u003c\/p\u003e\n\u003cp\u003eIt is important to note that these headers are designed exclusively for racing use and are not legal for street use on public roads or highways. Installation on any vehicle used on public roads may result in fines or legal penalties under the Clean Air Act.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLong tube primary headers (1.75\" diameter)\u003c\/li\u003e\n  \u003cli\u003eTIG welded 3\" merge collectors with scavenger spikes\u003c\/li\u003e\n  \u003cli\u003e3\/8\" thick stainless steel laser-cut flanges\u003c\/li\u003e\n  \u003cli\u003eSevere duty 300 cell catalytic converters (for catted versions)\u003c\/li\u003e\n  \u003cli\u003eHardware and gaskets for installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal For\u003c\/h3\u003e\n\u003cp\u003eThis full system is perfect for Jeep Grand Cherokee SRT owners who participate in track events, drag racing, or other motorsport activities where maximizing engine performance is critical. It is also suitable for enthusiasts looking to upgrade their exhaust system with a high-quality, race-proven header solution that offers improved power delivery and throttle response.\u003c\/p\u003e\n\n\u003ch3\u003eEmissions Note\u003c\/h3\u003e\n\u003cp\u003eAll American Racing Headers products, including this full system, are manufactured exclusively for racing purposes. Installation on any vehicle intended for use on public roads or highways is illegal and may subject the owner to fines or criminal liability under the Clean Air Act. Please verify local regulations before purchasing or installing this product.\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"1-3\/4\" x 3\" \/ No Cats","offer_id":48196981424340,"sku":"JPGC-12134300FSNC","price":3895.21,"currency_code":"USD","in_stock":true},{"title":"1-7\/8\" x 3\" \/ No Cats","offer_id":48196981489876,"sku":"JPGC-12178300FSNC","price":3934.97,"currency_code":"USD","in_stock":true},{"title":"2\" x 3\" \/ No Cats","offer_id":48196981555412,"sku":"JPGC-12200300FSNC","price":4001.2,"currency_code":"USD","in_stock":true},{"title":"1-3\/4\" x 3\" \/ With Cats","offer_id":48196981391572,"sku":"JPGC-12134300FSWC","price":4093.95,"currency_code":"USD","in_stock":true},{"title":"1-7\/8\" x 3\" \/ With Cats","offer_id":48196981457108,"sku":"JPGC-12178300FSWC","price":4133.69,"currency_code":"USD","in_stock":true},{"title":"2\" x 3\" \/ With Cats","offer_id":48196981522644,"sku":"JPGC-12200300FSWC","price":4199.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/8542\/1268\/files\/2012_Jeep_SRT8_Full_System_911e525a-940e-4660-846d-19c07313e1e6.png?v=1782966948","url":"https:\/\/fasthemis.com\/products\/arh-jeep-grand-cherokee-srt8-2012-up-full-system","provider":"FastHemis","version":"1.0","type":"link"}