Maximize exhaust flow and eliminate restriction in your race built 2007.5-2010 GM 6.6L Duramax LMM with AFE 49-04083 ATLAS 4" Race Pipe. Constructed from 4" mandrel-bent aluminized steel tubing, the ATLAS Race Pipes are the perfect combination of performance, fit and value.
High quality OE style flanges and band clamps are 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.
Flow and Performance:
The ATLAS race pipe is constructed of 4" mandrel-bent aluminized tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGTs.
- 4" Aluminized Steel Construction
- High Quality OE Style Flanges
- Uses Factory Mounting Locations
- Retains Factory Tail-Pipe
Fits Crew Cab, Long Bed (167.7" Wheelbase)
Fits Extended Cab, Long Bed (157.5" Wheelbase)
Crew & Extended Cab Fitment applies to GM 2500HD/3500HD Pickups only. This race pipe is not for use on Cab & Chassis models. Aftermarket programmer with off-road tuning is required for use.