The AFE 49-44028 MACH Force XP 4" Race Front Pipe for your 2011-2015 GM 6.6L Duramax is built for maximum performance and lower EGT's. This free flowing race downpipe outflows the factory exhaust and is constructed out of durable 4" mandrel bent 409 stainless steel. This down tube also has a welded on Urea injector bracket for a clean place to hook up your Urea Injection Tubes.
- 4" Mandrel Bends - For Maximum Flow
- 409 Stainless Steel Construction
Fitment Note: This front pipe will only fit 2015 models manufactured before July 2014. Models built after July of 2014 are equipped with a 3-bolt down pipe flange connection that is not compatible with this product.
Warning: This free-flow race front pipe requires the use of an aftermarket performance programmer with off-road tuning.