MBRP Chev/GMC Duramax 6.6L3 Inch Turbo Down Pipe For 11-15 Silverado/Sierra 2500/3500 Duramax MBRP GM8427

The MBRP GM8427 3" Turbo Downpipe provides a smoother flow from the turbo in your 2011-2015 GM 6.6L Duramax. Removing the restriction in the factory downpipe results in lower EGTs and increased performance.

3 Year Warranty