AFE Power Large Bore-HD 3" Stainless Steel Downpipe Back Exhaust System
- Constructed from 3" mandrel-bent stainless steel tubing
- Uses a high quality band clamp and OE-style bayonet hangers for a secure fitment
- Utilizes all factory mounting locations to provide a quick, hassle-free installation
- Included in this exhaust system is a muffler delete pipe for a more aggressive sound
This system uses factory mounting locations providing stability and hassle-free 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:
This Large Bore-HD exhaust system is constructed of 3" mandrel-bent stainless steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT’s. This system is available without tip and includes a muffler delete-pipe for true race-inspired sound and increased flow.
Crew Cab/ Short Bed (128.3" Wheelbase)
Crew Cab/ Long Bed (140.5" Wheelbase)
Extended Cab/ Long Bed (128.3" Wheelbase)
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 systems are engineered and manufactured in their Corona, California manufacturing facility.
2016 - 2018
GM Duramax (Colorado / Canyon)