4" Cat Back Single With No Muffler | 2011-2015 GM 2500/3500 6.6L DURAMAX- 431014 Truck Brand:CHEVROLET/GMC 2500 But that's just the beginning

But that's just the beginning of what makes the Infinity Series truly exceptional

Replaces the factory exhaust up-pipes (exhaust manifold to the turbo) which are prone to leakage due to the deterioration

heat-resistant aluminum charge pipes

stock looking replacement that is anything but stock

Part #411112

4" Cat Back Single With No Muffler | 2011-2015 GM 2500/3500 6.6L DURAMAX- 431014 Truck Brand:CHEVROLET/GMC 2500 But that's just the beginningConstructed 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 OEM Style 4 Bolt Flange TorcTite Clamps No