2013-2018 Cummins 6.7L 4" Cat & DPF/SCR Race Pipe No Muffler (411025 / 412025)2013 2018 Cummins 6. 7L 4" Cat & DPF SCR Race Pipe No Muffler (411025 412025) 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!

As many as ten separate machining steps are required to achieve this level of accuracy

Manufacturer's Part Number: 55023 | 55025 | 55027

X-Series Widebands are the fastest responding wideband air/fuel ratio controllers in independent testing against 17 other wideband UEGO air/fuel controllers

not recommended for heavy or frequent towing applications

Deck (31182225)

our cylinder heads are designed to withstand extreme conditions and deliver superior durability

2001-2007 Duramax PPE LB7/LLY/LBZ Transfer Case Brace (129020107)

What’s Included

Removing the EGR on the 3

Large or small singles or twins

PPE’s Performance Transmission Cooler is a direct bolt-on replacement part that lowers the fluid temperatures up to an additional 20 to 30 degrees over the stock unit and comes with a limited lifetime warranty

7L Dynomite Diesel Reman 150HP 40% Over Injectors (DDP67-150)