2003-2004 Cummins 5.9L 4" Turbo Back Single Exhaust No Muffler (411031 / 412031)2003 2004 Cummins 5. 9L 4" Turbo Back Single Exhaust No Muffler (411031 412031) 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 all sets are balanced to a +/- 6 gram standard for precision performance

confirm there’s sufficient clearance between the retainer and cover

7 Powerstroke (2011-2014)

080″ thickness

7L Dynomite Diesel Reman 45% Over Injectors (DDPFD67-100)

9L Brand New Injector Set Custom Super Mental Series (DDPN305-SM)

4L 4" Cat & DPF Race Pipe (421008)

X-Digital technology (Patent 9

7L Dualoy Reduced Compression Height Piston &amp

Works with any TP

2006-2007 Duramax LBZ Dynomite Diesel Brand New Injector 100% Over (DDPNLBZ-200)

This deep transmission pan comes standard with the Deep Pan Transmission Filter (128058700)