ATLAS 4" Down-Pipe Back Aluminized Steel Exhaust Race System 2001-2005 GM 6.6L Duramax
The ATLAS exhaust is engineered to perform in the most extreme environments. This system is constructed from mandrel bent 4" aluminized steel tubing for maximum flow, increased horsepower, increased torque and lower EGT’s. The system is available in a 4" down-pipe back without muffler. ATLAS exhaust systems are the perfect combination of performance, fit and value.
A muffler-delete pipe is used for a true race-inspired sound and maximum flow.
This is a "Race Only" product used solely for competition. Its use is limited to closed-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. This system also requires an aftermarket electronic module to work properly with the vehicle