AFE ATLAS 4" DPF/CAT-Delete Aluminized Steel Exhaust Race Pipe, GM Diesel Trucks 11-12 V8-6.6L LML View larger



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AFE 49-04021 ATLAS 4" Race Front Pipe

2011-2015 GM 6.6L Duramax LML (ECLB, CCSB & CCLB Configurations Only - Does not fit ECSB)

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The new ATLAS exhaust race pipe 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. To provide a leak-free seal, OE style flanges are used that offer a 360º sealing area. ATLAS exhaust race pipes are the perfect combination of performance, fit and value.

Installation is a Snap:
All systems use factory mounting locations providing stability and hassle-free installation.

Leak-Free Seal:
High quality OE style flanges are used for a complete 360º sealing surface.

Flow and Performance:
ATLAS exhaust race pipes are constructed of mandrel bent 4" aluminized steel tubing for maximum flow. Smooth transition bends allow for low turbulence, increasing horsepower, torque and lowering EGT’s.

Note: This is a "Race Only" product used solely for competition. It's 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.