aFe Power Diesel DPF-Back Exhaust System for GMC Sierra 3500 HD Duramax 2017 - 2019

Simple 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 Rebel XD Series exhaust system is constructed of 4" mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs. 5" Diameter Black Intercooled Tips: Finishing off the exhaust are 5" diameter, Hi-Temp black, stainless steel straight cut tips 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. Wheelbases: Crew Cab/Short Bed, 6. 6ft Bed, 153. 7" Wheelbase Crew Cab/Long Bed, 8ft Bed, 167. 7" Wheelbase Note:Cutting stock exhaust is required. Emissions Disclaimer: This product does not require a CARB EO# All aFe exhaust systems are engineered and manufactured in our Corona, California facility.