The new Large Bore-HD exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4" 409 stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. This system is available in 4" flange-back with muffler, muffler delete pipe and a polished tip. Large Bore-HD exhaust systems are the perfect combination of performance, fit and value.
Installation is a Snap:
All systems use factory mounting locations providing stability and hassle-free installation.
High quality OE style flange, band clamps and sensor bungs are used for a complete 360 degree sealing surface.
A free-flowing 24" long muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque out of your rig. Muffler delete pipe is also included for those who prefer a true race-inspired sound and maximum flow.
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 systems 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.
Item will NOT fit F-450 / F-550 Models
Note: This is a "Race Only" product used solely for competition. 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. This system also requires an aftermarket electronic module to work properly with the vehicle. Visit https://afepower.com/DPF/release.pdf for the release of liability form.
All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.
Year Make Model SubModel Engine Fuel 2008-2010 Ford F-250 Turbo Diesel V8 6.4L Diesel 2008-2010 Ford F-350 Turbo Diesel V8 6.4L Diesel 2008-2009 Ford F-450 Turbo Diesel V8 6.4L Diesel 2008-2009 Ford F-550 Turbo Diesel V8 6.4L Diesel
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