The LARGE Bore HD exhaust race pipe is engineered to perform in the most extreme environments. This system is constructed from 4" diameter stainless steel tubing for maximum flow, increased horsepower, increased torque and lower EGT's. LARGE Bore HD exhaust race pipes are the perfect combination of performance, fit and value.
A high quality OE style flange is used 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. An included U-Bolt hanger clamp offers adjustability for a perfect fit.
Flow and Performance:
This LARGE Bore HD race pipe is constructed of 4" diameter stainless steel tubing for maximum flow.
Crew Cab/Short Bed (6.6' Bed/149" Wheelbase)
Crew Cab/Long Bed (8.2' Bed/169" Wheelbase)
Mega Cab/Short Bed (6.4' Bed/160.5" Wheelbase)
Regular Cab/Long Bed (8.2' Bed/140.5" Wheelbase)
Note: This is a "Race Only" product used solely for competition. Its use is limited to closed-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.
Note: This system also requires an aftermarket electronic module to work properly with the vehicle.
All aFe exhaust race pipes are engineered and manufactured in their Corona, California manufacturing facility.