{"product_id":"flowmaster-11-19-gm-2500hd-3500hd-6-0l-flowfx-dos-cat-back-exhaust-system","title":"Flowmaster 11-19 GM 2500HD\/3500HD 6.0L FlowFX DOS Cat-Back Exhaust System","description":"This Flowmaster® Flow FX® cat-back exhaust system for the 2011-2019 GM 2500HD\/3500HD trucks with the 6.0-liter engine is manufactured using durable 409 stainless steel throughout and features 3.50 to 3.00-inch mandrel bent pipes for better exhaust gas flow. This system exits with dual 4.00-inch black stainless steel tips for added style and a custom look. Max gains of 10 hp and 10 lb-ft of torque at the rear wheels over stock. The system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Fits extended cab or crew cab models with the 6.5 foot bed only.  Backed by Flowmaster's Lifetime Limited Warranty.\nFits 2011-2019 GM 2500HD\/3500HD 6.0-Liter, Cat-Back, Dual Side Exit, Flow FX Stainless Steel Exhaust System\n2011-2019 GM 2500HD\/3500HD trucks with the 6.0-liter engine.\r\nFits extended cab or crew cab models with 6.5 foot bed only.\r\nMay not fit with some fifth wheel hitches.\n\u003cul\u003e\n  \u003cli\u003e3.50-inch to dual 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability\u003c\/li\u003e\n  \u003cli\u003eFlow FX “Straight Through” muffler delivers and aggressive to moderate sound level with increased performance\u003c\/li\u003e\n  \u003cli\u003eIncludes complete hardware and factory styled hangers in the stock locations for an easy installation\u003c\/li\u003e\n  \u003cli\u003eMax gains of 10 hp and 10 lb-ft of torque at the rear wheels over stock\u003c\/li\u003e\n  \u003cli\u003e4.00-Inch black stainless steel tips add a custom look to the truck\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2011 Chevrolet Silverado 2500 HD\u003cbr\u003e\n2011 Chevrolet Silverado 3500 HD\u003cbr\u003e\n2011 GMC Sierra 2500 HD\u003cbr\u003e\n2011 GMC Sierra 3500 HD\u003cbr\u003e\n2012 Chevrolet Silverado 2500 HD\u003cbr\u003e\n2012 Chevrolet Silverado 3500 HD\u003cbr\u003e\n2012 GMC Sierra 2500 HD\u003cbr\u003e\n2012 GMC Sierra 3500 HD\u003cbr\u003e\n2013 Chevrolet Silverado 2500 HD\u003cbr\u003e\n2013 Chevrolet Silverado 3500 HD\u003cbr\u003e\n2013 GMC Sierra 2500 HD\u003cbr\u003e\n2013 GMC Sierra 3500 HD\u003cbr\u003e\n2014 Chevrolet Silverado 2500 HD\u003cbr\u003e\n2014 Chevrolet Silverado 3500 HD\u003cbr\u003e\n2014 GMC Sierra 2500 HD\u003cbr\u003e\n2014 GMC Sierra 3500 HD\u003cbr\u003e\n2015 Chevrolet Silverado 2500 HD\u003cbr\u003e\n2015 Chevrolet Silverado 3500 HD\u003cbr\u003e\n2015 GMC Sierra 2500 HD\u003cbr\u003e\n2015 GMC Sierra 3500 HD\u003cbr\u003e\n2016 Chevrolet Silverado 2500 HD\u003cbr\u003e\n2016 Chevrolet Silverado 3500 HD\u003cbr\u003e\n2016 GMC Sierra 2500 HD\u003cbr\u003e\n2016 GMC Sierra 3500 HD\u003cbr\u003e\n2017 Chevrolet Silverado 2500 HD\u003cbr\u003e\n2017 Chevrolet Silverado 3500 HD\u003cbr\u003e\n2017 GMC Sierra 2500 HD\u003cbr\u003e\n2017 GMC Sierra 3500 HD\u003cbr\u003e\n2018 Chevrolet Silverado 2500 HD\u003cbr\u003e\n2018 Chevrolet Silverado 3500 HD\u003cbr\u003e\n2018 GMC Sierra 2500 HD\u003cbr\u003e\n2018 GMC Sierra 3500 HD\u003cbr\u003e\n2019 Chevrolet Silverado 2500 HD\u003cbr\u003e\n2019 Chevrolet Silverado 3500 HD\u003cbr\u003e\n2019 GMC Sierra 2500 HD\u003cbr\u003e\n2019 GMC Sierra 3500 HD\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nAir Freight Prohibited: false\u003cbr\u003e\nNot Carb Approved: false\u003cbr\u003e\nCarb Acknowledgement Required: true\u003cbr\u003e\nLtl Freight Required: false\u003cbr\u003e\nProp 65: Y\u003cbr\u003e\nPart Type: automotive\u003cbr\u003e\nEpa: N\/A\u003cbr\u003e\nUnits Per Sku: 1","brand":"Flowmaster","offers":[{"title":"Default Title","offer_id":49297252974811,"sku":"flo717987","price":1117.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0797\/8559\/1003\/files\/cb117db8cb462dcbde0a78c3581af37dL.jpg?v=1789176735","url":"https:\/\/hnbperformance.com\/products\/flowmaster-11-19-gm-2500hd-3500hd-6-0l-flowfx-dos-cat-back-exhaust-system","provider":"Hellnback Offroad \u0026 Performance","version":"1.0","type":"link"}