AFE MACH Force XP 4" CAT-Delete Stainless Steel Exhaust Race Pipe, GM Duramax 11-12 V8-6.6L LML View larger



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AFE MACH Force XP 4" CAT-Delete Stainless Steel Exhaust Race Pipe

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

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The aFe Mach Force XP Cat-Delete downtube eliminates the use of the restrictive catalytic converter for maximum performance, lower EGT's and extreme mileage gains.  This free flowing race pipe outflows the factory exhaust by 67% is constructed out of durable 4" mandrel bent 409 stainless steel and uses bayonet style hangers and band clamps for a clean installation. This down tube also has a welded on Urea injector bracket for a clean place to hook up your Urea Injection Tubes. This system requires the use of a controller with a DPF-delete function.

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

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.