4" Cat & DPF Race Pipe With Muffler | 2011-2015 GM 2500/3500 6.6L DURAMAX- 431029 FLEECE PERFORMANCE " Part Number: 53-10013R

Part Number: 53-10013R

590 CFM Rating @ 7" H2O

Silicone Box Plug removed:This configuration will provide an extra air inlet that will be pulled from the passenger side fender area

bolt-in replacement for the stock unit

Designed for both style and comfort

4" Cat & DPF Race Pipe With Muffler | 2011-2015 GM 2500/3500 6.6L DURAMAX- 431029 FLEECE PERFORMANCE " Part Number: 53-10013RConstructed 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