4" Downpipe Back Single With Muffler | 2007.5-2010 GM 2500/3500 6.6L DURAMAX-431010 Transmission Parts and Upgrades " 5% cotton and 7

5% cotton and 7

Reinforcing ribs with a raw finish and machined fins

This kit allows for easy installation of our Dual Pump Kit as well

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 " 5% cotton and 7Constructed 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