• Constructed of 4" mandrel-bent stainless steel tubing for maximum flow
• OE style bayonet hangers are used to maintain a stable pipe location
• Uses factory mounting locations providing stability
• Retains factory tail-pipe
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.
Fits: 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) & Single Cab/Long Bed (133.7" Wheelbase) models.
Note 1: This kit will only fit 2015 models equipped with a non-flanged down pipe. Does not fit cab & chassis, Fits 133.7 " to 167.7" wheel bases only.
Note 2: 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.
All aFe exhaust race pipes are engineered and manufactured in our Corona, California manufacturing facility.
Year Make Model SubModel Engine Fuel 2011-2015 Chevrolet Silverado HD LML Duramax (Turbo Diesel) V8 6.6L Diesel 2011-2015 GMC Sierra HD LML Duramax (Turbo Diesel) V8 6.6L Diesel
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