2011-2019 Powerstroke 6.7L 5" Downpipe Back Exhaust w/ Muffler (521006)2011 2019 Powerstroke 6. 7L 5" Downpipe Back Single w Muffler (521006) 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!

The T4i Manifold isn't some cheap cast or weak tubular manifold

and MPG but not mandatory

performance-focused diesel engines

The ACDelco TP1015 Fuel Filter is an OEM Replacement for the 2017-2019 6

For engine builders who demand the highest level of strength and precision in their fasteners

Elevate your L5P’s performance and ditch the bottleneck

ARP recommends the use of main studs in your 6

2001-2004 Duramax LB7 Dynomite Diesel Stock Reman Injector (DDPLB7-STK)

2017-2022 Duramax L5P Calibrated Power Stealth 67G2 Turbocharger (DM1JK1070303000)

This kit is ideal for those looking to enhance their vehicle’s power output and avoid the common issues associated with DOD/AFM systems

Check Valve Lash: Each retorque further compresses the gasket

All Clean Custom injector sets are custom built to spec based on intended use and vehicle modifications