ATLAS 4" Down-Pipe Back Aluminized Steel Exhaust (No Muffler) Race System 2011-2015 GM 6.6L Duramax

ATLAS 4" Down-Pipe Back Aluminized Steel Exhaust (No Muffler) Race System 2011-2015 GM 6.6L Duramax

The new 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 2-piece tailpipe and bayonet style hangers provide a hassle-free installation. To provide a leak-free seal, OE style band clamps are used that offer a 360º sealing area. A 12" free-flowing straight-through designed muffler is used to produce a deep, powerful sound. Systems are available in 4” down-pipe back with muffler. ATLAS exhaust systems are the perfect combination of performance, fit and value.

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


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  • Product Code: 49-04003NM
  • Availability: In Stock
  • $364.00

Available Options

Tags: AFE, Exhaust, Aluminized Steel, LML

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