{"product_id":"arh-jeep-grand-cherokee-5-7l-2011-2015-full-system","title":"American Racing Headers Full System 1.75-2\" Primaries: Jeep Grand Cherokee 2011-2021 5.7L Hemi","description":"\u003ch1\u003eAmerican Racing Headers Full System\u003c\/h1\u003e\n\u003ch2\u003e2011–2021 Jeep Grand Cherokee 5.7L Hemi\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePart #:\u003c\/strong\u003e JPGC-11200300FSNC\u003c\/p\u003e\n\n\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe American Racing Headers (ARH) Full System for the Jeep Grand Cherokee 5.7L Hemi (2011–2021) is a premium long tube header upgrade designed to maximize exhaust flow and enhance engine performance. Crafted specifically for enthusiasts seeking improved horsepower, torque, and throttle response, this full system replaces the factory exhaust manifolds with expertly engineered headers and collectors. It is ideal for those who want a durable, high-quality exhaust solution that delivers both performance gains and a distinctive exhaust note.\u003c\/p\u003e\n\u003cp\u003eARH’s full system is engineered to provide a precise fit and superior flow characteristics, making it a perfect choice for street performance and racing applications. Whether you are upgrading your Jeep for spirited driving or track use, this system offers a reliable and effective way to unlock the potential of your 5.7L Hemi engine.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cp\u003eThis full system incorporates advanced design elements and premium materials to ensure outstanding performance and durability:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAvailable with 1.75\", 1.875\", or 2\" diameter long tube primaries to suit different performance needs\u003c\/li\u003e\n  \u003cli\u003eExclusive TIG welded 3\" merge collectors with scavenger spikes for optimized exhaust scavenging and flow\u003c\/li\u003e\n  \u003cli\u003e3\/8\" thick stainless steel laser-cut flanges for a warp-free, leak-proof seal\u003c\/li\u003e\n  \u003cli\u003eHand-ported inlets for smooth airflow transition and improved efficiency\u003c\/li\u003e\n  \u003cli\u003eConstructed entirely from 304 stainless steel for corrosion resistance and long-lasting durability\u003c\/li\u003e\n  \u003cli\u003eOptimized primary tube routing engineered for superior fitment and clearance in the Jeep Grand Cherokee chassis\u003c\/li\u003e\n  \u003cli\u003eCatted system options include severe duty 300 cell catalytic converters, with an upgrade available to 400 cell G-Sport catalytic converters\u003c\/li\u003e\n  \u003cli\u003e100% Made in the USA with no outsourcing, ensuring quality craftsmanship and attention to detail\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, known for its excellent resistance to heat and corrosion. The headers feature thick 3\/8\" laser-cut flanges that maintain a perfect seal and resist warping under extreme temperatures. Each inlet is hand-ported and TIG welded to ensure smooth airflow and structural integrity. The long tube primaries are carefully routed to optimize exhaust gas velocity and fitment within the engine bay, minimizing installation challenges and maximizing performance.\u003c\/p\u003e\n\u003cp\u003eMerge collectors incorporate scavenger spikes, a design feature that enhances exhaust scavenging by improving the evacuation of exhaust gases from the cylinders. This results in better cylinder filling on the intake stroke, contributing to improved power output and throttle response.\u003c\/p\u003e\n\n\u003ch3\u003ePerformance \u0026amp; Sound\u003c\/h3\u003e\n\u003cp\u003eBy replacing restrictive factory manifolds with long tube headers and high-flow merge collectors, this ARH full system significantly improves exhaust flow, which can lead to noticeable gains in horsepower and torque. The system’s design also enhances the exhaust sound, delivering a deeper, more aggressive tone that complements the muscular character of the 5.7L Hemi engine. This upgrade is ideal for drivers who want both performance improvements and an enhanced auditory experience.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation \u0026amp; Fitment\u003c\/h3\u003e\n\u003cp\u003eThe ARH Full System is engineered for a direct bolt-on installation on 2011–2021 Jeep Grand Cherokee models equipped with the 5.7L Hemi engine. The system’s optimized tube routing and precision flanges ensure a great fit with minimal modifications required. Installation typically involves removing the factory exhaust manifolds and replacing them with the ARH headers and collectors. Professional installation is recommended to ensure proper fitment and to maintain vehicle performance and safety standards.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLong tube headers with your choice of 1.75\", 1.875\", or 2\" primaries\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 (catted systems) with optional upgrade to 400 cell G-Sport catalytic converters\u003c\/li\u003e\n  \u003cli\u003eAll necessary hardware for installation (varies by kit)\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 5.7L Hemi owners who want to enhance their vehicle’s performance and exhaust sound. It is especially suited for enthusiasts involved in street performance, weekend racing, or those who demand a high-quality, durable exhaust upgrade that is built to last. The system’s design also appeals to those who value American-made craftsmanship and precision engineering.\u003c\/p\u003e\n\n\u003ch3\u003eEmissions Note\u003c\/h3\u003e\n\u003cp\u003eAll American Racing Headers products are manufactured exclusively for racing purposes. Installing this product on any vehicle eliminates its legal use on public roads and highways and may subject the owner to fines or criminal liability under the Clean Air Act. Please verify local regulations before installation and use.\u003c\/p\u003e","brand":"American Racing Headers","offers":[{"title":"1-3\/4\" x 3\" \/ No Cats","offer_id":48196981620948,"sku":"JPGC-11134300FSNC","price":3895.21,"currency_code":"USD","in_stock":true},{"title":"1-7\/8\" x 3\" \/ No Cats","offer_id":48196981686484,"sku":"JPGC-11178300FSNC","price":3934.97,"currency_code":"USD","in_stock":true},{"title":"2\" x 3\" \/ No Cats","offer_id":48196981752020,"sku":"JPGC-11200300FSNC","price":4001.2,"currency_code":"USD","in_stock":true},{"title":"1-3\/4\" x 3\" \/ With Cats","offer_id":48196981588180,"sku":"JPGC-11134300FSWC","price":4093.95,"currency_code":"USD","in_stock":true},{"title":"1-7\/8\" x 3\" \/ With Cats","offer_id":48196981653716,"sku":"JPGC-11178300FSWC","price":4133.69,"currency_code":"USD","in_stock":true},{"title":"2\" x 3\" \/ With Cats","offer_id":48196981719252,"sku":"JPGC-11200300FSWC","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.png?v=1782966948","url":"https:\/\/fasthemis.com\/products\/arh-jeep-grand-cherokee-5-7l-2011-2015-full-system","provider":"FastHemis","version":"1.0","type":"link"}