{"product_id":"cat-back-exhaust-for-jeep-wrangler-2007-2018-3-6l-3-8l","title":"Cat Back Exhaust for Jeep Wrangler (2007-2018) 3.6L 3.8L","description":"\u003ch2\u003eHigh-Flow T-304 Stainless Cat-Back Exhaust for 2007-2018 Jeep Wrangler\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Cat-Back Exhaust replaces the restrictive OEM factory muffler and undersized piping on the 2007-2018 Jeep Wrangler to reduce backpressure, improve thermal dissipation, and deliver an aggressive exhaust tone.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Jeep Wrangler Exhaust Restrictions and Trail Corrosion\u003c\/h3\u003e\n\u003cp\u003eThe factory aluminized steel exhaust system on the \u003cstrong\u003eJeep Wrangler JK\u003c\/strong\u003e platform is prone to trail oxidation and premature rust from road salt and moisture. Mechanically, the massive factory cross-flow muffler utilizes restrictive internal baffles and pinch-bent transition tubes that choke off exhaust gas velocity. These stock press-bends reduce internal diameter at critical radii, creating parasitic backpressure that inhibits scavenging efficiency on both the \u003cstrong\u003e3.8L EGH\u003c\/strong\u003e and \u003cstrong\u003e3.6L Pentastar\u003c\/strong\u003e V6 engines under heavy load or crawl ratios.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eConstructed from corrosion-resistant \u003cstrong\u003eT-304 stainless steel\u003c\/strong\u003e, this performance exhaust system replaces restrictive factory routing with continuous \u003cstrong\u003emandrel-bent\u003c\/strong\u003e tubing to maintain cross-sectional area and smooth exhaust pulses. Straight-through internal muffler architecture reduces backpressure while suppressing high-frequency drone. Pre-welded heavy-duty hangers mate directly to factory isolators, and heavy-gauge mounting flanges ensure leak-free seal integrity over extreme axle articulation and off-road vibration.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; margin-bottom: 20px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2007-2018 Jeep Wrangler\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e3.6L Pentastar \/ 3.8L EGH \/ JK Chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e202-285 hp \/ 237-260 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eSPT-CAT1219\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2007-2011 Jeep Wrangler (JK \/ JKU) 3.8L V6 (EGH)\u003c\/li\u003e\n  \u003cli\u003e2012-2018 Jeep Wrangler (JK \/ JKU) 3.6L Pentastar V6 (ERB)\u003c\/li\u003e\n  \u003cli\u003eFits 2-Door and 4-Door Unlimited models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the JK Wrangler?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 2007-2018 Jeep Wrangler equipped with the 3.6L Pentastar or 3.8L EGH engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill this cat-back system trigger a Check Engine Light (CEL)?\u003c\/strong\u003e\u003cbr\u003e No, because this system bolts downstream of the factory catalytic converters and oxygen sensors, factory emissions profiles and ECU diagnostics remain undisturbed.\u003c\/p\u003e\n\n\u003ch3\u003eThe Jeep Durability Standard\u003c\/h3\u003e\n\u003cp\u003eBuilt for trail-duty punishment, this system maintains high chassis tuck to protect vulnerable joints during rock crawling, while providing heavy-gauge wall thickness to withstand thermal shock during high-angle climbs and water crossings.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50608317366520,"sku":"DS-ECGZXKY6P","price":377.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/cat-back-exhaust-for-jeep-wrangler-2007-2018-3-6l-3-8l-1.jpg?v=1790092203","url":"https:\/\/performancechiptuning.com\/fr\/products\/cat-back-exhaust-for-jeep-wrangler-2007-2018-3-6l-3-8l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}