The Large Bore-HD exhaust race pipe is engineered to perform in the most extreme environments. This system is constructed from 4" mandrel-bent 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.This system uses factory mounting locations providing stability. The factory exhaust system will require to be cut prior to installation.
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:
Large Bore-HD exhaust race pipes are constructed of 4" mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's.
Crew Cab/Short Bed (153.7"Wheelbase)
Crew Cab/Long Bed (167.7" Wheelbase)
Extended Cab/Short Bed (144.2"Wheelbase)
Extended Cab/Long Bed (158.2" Wheelbase) models.
For 2015 models, this item will only fit models equipped with a non-flanged down pipe.
This item does not fit cab chassis models
This item will only fit models with 167.7 IN wheelbase
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.