The AFE 49-44073 Large Bore HD 3" Downpipe-Back Exhaust System is engineered to increase flow and performance in your 2016-2017 GM Colorado / Canyon 2.8L Duramax. The Large Bore HD exhaust system is constructed of 3" mandrel-bent stainless steel tubing with smooth transition bends for increased horsepower, torque, and lower EGT's. All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.
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 EGTs. This system is available without tip and includes a muffler delete-pipe for true race-inspired sound and increased flow.
- Constructed 3" Mandrel-Bent Stainless Steel Tubing
- Uses High Quality Band Clamps & OE-Style Bayonet Hangers
- Multiple Configurations Available
Crew Cab/ Short Bed (128.3" Wheelbase)
Crew Cab/ Long Bed (140.5" Wheelbase)
Extended Cab/ Long Bed (128.3" Wheelbase)
49-44073-B - Black Exhaust Tip
49-44073-P - Polished Exhaust Tip
49-44073NM - No Muffler, No Tip
Warning: This free-flow race exhaust system requires the use of an aftermarket performance programmer with off-road tuning.