All systems use factory mounting locations providing stability and hassle-free installation.
High quality band clamps are included for a complete 360-degree sealing surface.
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 EGTs.
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.
Crew Cab/Short Bed, 6.6ft Bed, 153.7" Wheelbase
Crew Cab/Long Bed, 8ft Bed, 167.7" Wheelbase
Cutting the stock exhaust behind the DPF (Diesel Particulate Filter) is required for all cab configurations. (see instruction sheet for cut locations listed on all wheelbases applicable).
This product does not require a CARB EO#
All aFe exhaust systems are engineered and manufactured in our Corona, California facility.
Year Make Model SubModel Engine Fuel 2017-2019 Chevrolet Silverado 2500 HD (L5P) Duramax Turbo Diesel V8 6.6L Diesel 2017-2019 GMC Sierra 2500 HD (L5P) Duramax Turbo Diesel V8 6.6L Diesel 2017-2019 Chevrolet Silverado 3500 HD (L5P) Duramax Turbo Diesel V8 6.6L Diesel 2017-2019 GMC Sierra 3500 HD (L5P) Duramax Turbo Diesel V8 6.6L Diesel
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