{"product_id":"pypes-07-18-jeep-wrangler-jk-2-4-door-cat-back-exhaust-sjj21s","title":"Pypes Street Pro Cat-Back Exhaust System | 2007-2018 Jeep Wrangler JK 2 \u0026 4 Door | SJJ21S","description":"\u003cp\u003eThe Pypes SJJ21S is a Street Pro cat-back exhaust system for the 2007-2018 Jeep Wrangler JK in both 2-door and 4-door configurations. It is built from 409 stainless steel with 2.5 inch tubing and a single rear exit routed for high ground clearance on the trail. The Street Pro muffler delivers a moderate sound improvement over the stock system while staying daily-driver friendly. As an after-cat system it works with the factory catalytic converters and keeps the Jeep street legal.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eType: Cat-Back Exhaust System (after-cat)\u003c\/li\u003e\n\u003cli\u003eSeries: Street Pro\u003c\/li\u003e\n\u003cli\u003eMaterial: 409 stainless steel\u003c\/li\u003e\n\u003cli\u003eDiameter: 2.5 in\u003c\/li\u003e\n\u003cli\u003eMuffler: Street Pro\u003c\/li\u003e\n\u003cli\u003eExit: Single rear exit\u003c\/li\u003e\n\u003cli\u003eTip: Downturn tip (not included)\u003c\/li\u003e\n\u003cli\u003eRouting: High ground clearance\u003c\/li\u003e\n\u003cli\u003eFits: 2007-2018 Jeep Wrangler JK, 2-door and 4-door\u003c\/li\u003e\n\u003cli\u003eSold as: Complete cat-back kit\u003c\/li\u003e\n\u003cli\u003ePart number: SJJ21S\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVehicle Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2007 Jeep Wrangler JK 2 Door\u003c\/li\u003e\n\u003cli\u003e2007 Jeep Wrangler JK 4 Door\u003c\/li\u003e\n\u003cli\u003e2008 Jeep Wrangler JK 2 Door\u003c\/li\u003e\n\u003cli\u003e2008 Jeep Wrangler JK 4 Door\u003c\/li\u003e\n\u003cli\u003e2009 Jeep Wrangler JK 2 Door\u003c\/li\u003e\n\u003cli\u003e2009 Jeep Wrangler JK 4 Door\u003c\/li\u003e\n\u003cli\u003e2010 Jeep Wrangler JK 2 Door\u003c\/li\u003e\n\u003cli\u003e2010 Jeep Wrangler JK 4 Door\u003c\/li\u003e\n\u003cli\u003e2011 Jeep Wrangler JK 2 Door\u003c\/li\u003e\n\u003cli\u003e2011 Jeep Wrangler JK 4 Door\u003c\/li\u003e\n\u003cli\u003e2012 Jeep Wrangler JK 2 Door\u003c\/li\u003e\n\u003cli\u003e2012 Jeep Wrangler JK 4 Door\u003c\/li\u003e\n\u003cli\u003e2013 Jeep Wrangler JK 2 Door\u003c\/li\u003e\n\u003cli\u003e2013 Jeep Wrangler JK 4 Door\u003c\/li\u003e\n\u003cli\u003e2014 Jeep Wrangler JK 2 Door\u003c\/li\u003e\n\u003cli\u003e2014 Jeep Wrangler JK 4 Door\u003c\/li\u003e\n\u003cli\u003e2015 Jeep Wrangler JK 2 Door\u003c\/li\u003e\n\u003cli\u003e2015 Jeep Wrangler JK 4 Door\u003c\/li\u003e\n\u003cli\u003e2016 Jeep Wrangler JK 2 Door\u003c\/li\u003e\n\u003cli\u003e2016 Jeep Wrangler JK 4 Door\u003c\/li\u003e\n\u003cli\u003e2017 Jeep Wrangler JK 2 Door\u003c\/li\u003e\n\u003cli\u003e2017 Jeep Wrangler JK 4 Door\u003c\/li\u003e\n\u003cli\u003e2018 Jeep Wrangler JK 2 Door\u003c\/li\u003e\n\u003cli\u003e2018 Jeep Wrangler JK 4 Door\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003ch5\u003eDoes the Pypes SJJ21S fit both 2-door and 4-door Wrangler JK models?\u003c\/h5\u003e\n\u003cp\u003eYes. The SJJ21S is engineered for the 2007-2018 Jeep Wrangler JK in both the 2-door and 4-door body styles.\u003c\/p\u003e\n\u003ch5\u003eIs the Pypes SJJ21S street legal?\u003c\/h5\u003e\n\u003cp\u003eYes. It is an after-cat cat-back system that retains the factory catalytic converters, so it is street legal in most areas.\u003c\/p\u003e\n\u003ch5\u003eWhat material and diameter is the SJJ21S?\u003c\/h5\u003e\n\u003cp\u003eIt uses 2.5 inch 409 stainless steel tubing with a Street Pro muffler and a single rear exit.\u003c\/p\u003e\n\u003ch5\u003eHow does the SJJ21S sound?\u003c\/h5\u003e\n\u003cp\u003eThe Street Pro muffler gives a moderate sound improvement over stock with a tone that stays comfortable for daily driving.\u003c\/p\u003e\n\u003ch5\u003eDoes the SJJ21S help with ground clearance off-road?\u003c\/h5\u003e\n\u003cp\u003eYes. The exhaust is routed for high ground clearance and uses a downturn tip to help maintain clearance on the trail.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the Pypes SJJ21S fit both 2-door and 4-door Wrangler JK models?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The SJJ21S is engineered for the 2007-2018 Jeep Wrangler JK in both the 2-door and 4-door body styles.\"}}, {\"@type\": \"Question\", \"name\": \"Is the Pypes SJJ21S street legal?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. It is an after-cat cat-back system that retains the factory catalytic converters, so it is street legal in most areas.\"}}, {\"@type\": \"Question\", \"name\": \"What material and diameter is the SJJ21S?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"It uses 2.5 inch 409 stainless steel tubing with a Street Pro muffler and a single rear exit.\"}}, {\"@type\": \"Question\", \"name\": \"How does the SJJ21S sound?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The Street Pro muffler gives a moderate sound improvement over stock with a tone that stays comfortable for daily driving.\"}}, {\"@type\": \"Question\", \"name\": \"Does the SJJ21S help with ground clearance off-road?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The exhaust is routed for high ground clearance and uses a downturn tip to help maintain clearance on the trail.\"}}]}\u003c\/script\u003e","brand":"Pypes Performance exhaust","offers":[{"title":"Default Title","offer_id":41758985551920,"sku":"FSJC_SJJ21S","price":408.79,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9548\/3440\/files\/PYPSJJ21S.jpg?v=1734304096","url":"https:\/\/berryperformancesales.com\/products\/pypes-07-18-jeep-wrangler-jk-2-4-door-cat-back-exhaust-sjj21s","provider":"Berry Performance Sales","version":"1.0","type":"link"}