AFE Power Mach Force-XP 4" Stainless Steel Race Pipe

2011 - 2015 6.6L GM Duramax LML

SKU NWD-49-44027


The LARGE Bore HD race pipe is built for maximum performance and extreme mileage gains. This free flowing race pipe outflows the factory exhaust by 300cfm is constructed out of durable 4" mandrel bent 409 stainless steel and uses bayonet style hangers and band clamps for a clean installation.

You will be shocked at the performance and mileage improvement you will see from this system.

  • Features
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  • Instructions
  • Vehicle Fitment

The system requires the use of a programmer or controller.

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

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

This system weighs 85 lbs less than the factory DPF for increased performance and fuel economy. This system comes complete with all tubing, bayonet hangers and band clamps for an easy remove and replace installation.

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


2011 - 2016

GM Duramax

6.6L LML