High Flow 409 Stainless Steel Muffler:
This 409 stainless steel performance muffler is designed to provide a deep, throaty, powerful sound on acceleration, but maintain a smooth sound at idle. This muffler is constructed of brushed finished 409 stainless steel and uses a straight through perforated core with heat resistant packing to reduce backpressure and maximize exhaust flow. You will see increased performance and improved throttle response over the factory exhaust. Also featuring a stamped aFe POWER logo for an aggressive style. Muffler Specifications: 4" Center Inlet /Outlet, 8" Round x 30" L Body Diameter.
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 4" mandrel-bent 409 stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT’s.
5" Diameter Polished/Black Intercooled Tip:
Finishing off the exhaust is a 5" diameter, polished stainless steel slash 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.
2017-2018 Ford Super Duty F-250/F-350 V8-6.7L (td) Power Stroke
Single Cab/Long Bed, 8 ft. Bed, 141.6" Wheelbase
Extended Cab/Short Bed, 6.75 ft. Bed, 148" Wheelbase
Crew Cab/Short Bed, 6.75 ft. Bed, 160" Wheelbase
Extended Cab/Long Bed, 8 ft. Bed, 164.2 Wheelbase
Crew Cab/Long Bed, 8 ft. Bed, 176" Wheelbase
System was developed on Crew Cab/Long Bed, 8 ft. Bed, 176" Wheelbase. No cutting required for Crew Cab/Short Bed; Crew Cab Long Bed. See instruction sheet for cut locations on Extended Cab/Short Bed; Extended Cab/Long Bed & Single Cab/Long Bed.
This is a "Race Only" product used solely for competition. It's 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. This system also requires an aftermarket electronic module to work properly with the vehicle.
All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.