4" Downpipe Back Single With No Muffler | 2011-2015 GM 2500/3500 6.6L DURAMAX-431017 Engine Size:6.6L 550 HP 1100 TRQ 30k+

550 HP 1100 TRQ 30k+ TOWING CAPACITY

Switch: (Optional) Part Number 18040 with 3 inch Stock Exhaust and Standard Transmission

So why settle for less when you can have it all

The PPE Intake Tube replaces the restrictive and plastic factory intake tube

More airflow equals better performance

4" Downpipe Back Single With No Muffler | 2011-2015 GM 2500/3500 6.6L DURAMAX-431017 Engine Size:6.6L 550 HP 1100 TRQ 30k+Constructed 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