4" Downpipe Back Single With Muffler | 2007.5-2010 GM 2500/3500 6.6L DURAMAX-431010 Transmission Parts and Upgrades " Wearing items are low cost

Wearing items are low cost to replace

This allows our intake to not only be closer to

as requested by the engine computer during full-throttle driving

Reinforcing ribs with a raw finish and machined fins

Oil Drains

4" Downpipe Back Single With Muffler | 2007.5-2010 GM 2500/3500 6.6L DURAMAX-431010 Transmission Parts and Upgrades " Wearing items are low costConstructed 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