2017-2023 Duramax L5P 4" Cat & DPF Race Pipe w/ Muffler (431031)2017 2023 Duramax L5P 4" Cat & DPF Race Pipe w Muffler (431031) 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! IMPORTANT NOTE: These kits will

7L PowerHouse Cylinder Head Set of 2 (CH67P-17-19)

Dodge Ram Cummins 1994-98 Second Gen 5

you need to replace your head bolts with upgraded head studs

7L Dynomite Diesel Stock Reman Injectors (DDPFD67-STK)

complete with head studs

It will be up to the customer to verify fitment and functionality

for your 2011

This results in a fastener that is stronger than Chrome Moly 8740 and ARP 2000

No special tools required

2003-2010 Powerstroke 6

Reseal the cylinder heads in your 2008-2010 Ford 6

The billet compressor wheel and custom spec'd turbine wheel are matched together perfectly for a daily driven truck that's going to get used in the real world