4" Downpipe Back Single With Muffler | 2007.5-2010 GM 2500/3500 6.6L DURAMAX-431010 Transmission Parts and Upgrades " as requested by the engine

as requested by the engine computer during full-throttle driving

Oil Drains

and throttle response

These direct-fit turbochargers will keep your fleet moving and are covered by our standard one-year warranty

4" Downpipe Back Single With Muffler | 2007.5-2010 GM 2500/3500 6.6L DURAMAX-431010 Transmission Parts and Upgrades " as requested by the engineConstructed out of 16 gauge aluminized steel or T409 Stainless, this exhaust system is designed to simplify installation with included clamps, preweld contour bends and improved flanges. Enjoy a noticeable boost in performance, lowered EGTs and amplified air flow with this Mel's system. For powerhouse performance, Mel's delivers horsepower you can hear! Features: Ease of installation Contour Bent Hangers TorcTite Clamps No Bungs Fits Cab Box