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.
Installation is a Snap:
ATLAS exhaust systems utilized a 2-piece tailpipe design for a perfect fit by allowing adjustability at the tailpipe section. All systems use factory mounting locations providing stability and a hassle-free installation.
High quality OE-style flange and band clamps are used for a complete 360 degree sealing surface.
A muffler-delete pipe is used for a true race-inspired sound and maximum flow.
OE-style hangers with bayonet tip are used to maintain a stable pipe location during high vibration and high heat conditions.
Flow and Performance:
ATLAS exhaust systems are constructed of 4" mandrel bent aluminized steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT's.
This is a Race Only product that is to be used solely for competition, it cannot be used on vehicles that are operated on public streets, roads or highways. Its 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. To complete the purchase of this item, aFe Power competition acknowledgement/liability release form must be filled out and submitted.
Year Make Model SubModel Engine Fuel 2001-2004 Chevrolet Silverado HD 2500HD/3500HD (LB7) Duramax Turbo Diesel V8 6.6L Diesel 2005-2005 Chevrolet Silverado HD 2500HD/3500HD (LLY) Duramax Turbo Diesel V8 6.6L Diesel 2006-2007 Chevrolet Silverado HD 2500HD/3500HD (LLY/LBZ) Duramax Turbo Diesel V8 6.6L Diesel 2001-2004 GMC Sierra HD 2500HD/3500HD (LB7) Duramax Turbo Diesel V8 6.6L Diesel 2005-2005 GMC Sierra HD 2500HD/3500HD (LLY) Duramax Turbo Diesel V8 6.6L Diesel 2006-2007 GMC Sierra HD 2500HD/3500HD (LLY/LBZ) Duramax Turbo Diesel V8 6.6L Diesel
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