aFe LARGE BORE HD 4in 409-SS DPF-Back Exhaust w/Black Tip 2017 GM Duramax V8-6.6L (td) L5P

DescriptionSimple Installation: All systems use factory mounting locations providing stability and hassle-free installation. Leak-Free Seal: High quality band clamps are included for a complete 360 degree sealing surface. OE Fit: OE-style bayonet hangers are used to maintain a stable pipe location during high vibration and high heat conditions. The bayonet tip holds the hanger bushing in place for an OE-style fit that does not change with time. Flow and Performance: This Large Bore-HD exhaust system is constructed of 5″ mandrel-bent 409 stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT’s. 6″ Diameter Black Intercooled Tip: Finishing off the exhaust is a 6″ diameter, black, stainless steel slash cut tip with intercooling vents designed to reduce exhaust gas temperatures at the tailpipe. A unique stainless steel laser-cut aFe Power logo plate is riveted on for an aggressive style.This Part Fits:YearMakeModelSubmodel2017-2019ChevroletSilverado 2500 HDHigh Country2017-2019ChevroletSilverado 2500 HDLT2017-2019ChevroletSilverado 2500 HDLTZ2017-2019ChevroletSilverado 2500 HDWT2017-2019ChevroletSilverado 3500 HDHigh Country2017-2019ChevroletSilverado 3500 HDLT2017-2019ChevroletSilverado 3500 HDLTZ2017-2019ChevroletSilverado 3500 HDWT2017-2019GMCSierra 2500 HDBase2017-2019GMCSierra 2500 HDDenali2017-2019GMCSierra 2500 HDSLE2017-2019GMCSierra 2500 HDSLT2017-2019GMCSierra 3500 HDBase2017-2019GMCSierra 3500 HDDenali2017-2019GMCSierra 3500 HDSLE2017-2019GMCSierra 3500 HDSLT