2013-2018 Cummins 6.7L 5" Turbo Back Single w/ Muffler (511006 / 512006)2013 2018 Cummins 6. 7L 5" Turbo Back Single w Muffler (511006 512006) 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!

and marine enthusiasts

Limit transmission gear hunting and access all five gears

exhaust brake usage can cause high temperatures in the automatic transmission due to torque converter slippage

and common-rail Cummins platforms from 1989 through 2016

Heavy walled manifolds for improved durability

The Driven Diesel Regulated Return Kit also includes replacement Fuel Feed Lines (from the fuel filter to the cylinder heads) that replace the stock lines and banjo bolts with larger high flow units and eliminate the restrictive check valves

Standard • HO (High Output) • NON HO (NON High Output)

Street and track performance from the most complete bolt-on kit on the market

Your channel locks are typically pretty good at chewing up these plastic parts

it’s made from cast A356

700″ lift—be sure your machine shop sets the correct installed height

7L Dynomite Diesel Reman 90HP 25% Over Injectors (DDP67-90)