AFE Power Atlas 4" Aluminized Race Pipe

2007.5 - 2010 6.6L GM Duramax LMM

SKU NWD-49-04011
Cab & Bed Configuration

49-04011 / 49-04012 / 49-04013 / 49-04014 / 49-04015

The 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 band clamps and flanges are used that offer a 36 sealing area. ATLAS exhaust race pipes are the perfect combination of performance, fit and value.

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  • Instructions
  • Vehicle Fitment

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 36 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. This system also requires an aftermarket electronic module to work properly with the vehicle.

All aFe exhaust systems are engineered and manufactured in their Corona, California manufacturing facility.

49-04011 -
Regular Cab & Long Bed

49-04012 -
Ext. Cab & Short Bed

49-04013 -
Ext. Cab & Long Bed

49-04014 -
Crew Cab & Short Bed

49-04015 -
Crew Cab & Long Bed


2007.5 - 2010

GM Duramax

6.6L LMM