High Flow 409 Stainless Steel Muffler:
This 409 stainless steel High-Flow muffler is designed to provide a deep throaty, powerful sound on acceleration, but maintain a smooth sound at idle. This muffler is constructed uses a straight through perforated core with heat resistant packing to reduce backpressure and maximize flow. Also featuring a stamped aFe POWER logo for an added style. Muffler Specifications: 4" Center Inlet /Outlet, 8" Round x 24" L Body Diameter.
Features OE-style bayonet hangers to maintain stability during high-rev vibration and high-temp conditions. Provides hassle-free installation.
Flow and Performance:
This Large Bore-HD exhaust system is constructed of 4" mandrel-bent 409 stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and throttle response.
Finishing off this exhaust is a 5" black stainless steel slash-cut intercooled exhaust tip featuring a black laser-cut stainless steel "aFe POWER" badge for added style.
Extended Cab/Short Bed, 6.6 ft. Bed, 143.5" Wheelbase
Crew Cab/Short Bed, 6.6 ft. Bed, 153.7" Wheelbase
Extended Cab/Long Bed, 8 ft. Bed, 158.1" Wheelbase
Crew Cab/Long Bed, 8 ft. Bed, 167.7" Wheelbase
Cutting is required for some cab configurations.
This is a Race Only product that is to be used solely for competition, it cannot be used on vehicles that are operated on public streets, roads or highways. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, could be in violation of local, state and federal laws. To complete the purchase of this item, aFe Power competition acknowledgement/liability release form must be filled out and submitted.
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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