2004.5-2007 Cummins 5.9L 5" Turbo Back Single w/ Muffler (511014 / 512012)2004. 5 2007 Cummins 5. 9L 5" Turbo Back Single w Muffler (511014 512012) 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!

confirm there’s sufficient clearance between the retainer and cover

5-2010 Duramax 4" Downpipe Back Dual Exhaust No Muffler (431008)

The stock LBZ/LLY/LMM  turbocharger runs out of air at about 530rwhp

6 Duramax Diesel

It is the updated dished style housing that helps keep the unison ring from sticking

9L Stage 3 Injector Nozzle Set (DDP8993-3NZ)

Recommended Timing • 15-17 degrees

sending units and oil pans that meet or exceed OEM standards

Fluidampr harmonic balancer installation kits are designed for the Cummins diesel owner that wants to ensure that their viscous harmonic damper stays exactly where it is installed

Made to fit the following PPE Heavy-Duty Aluminum Transmission Pans: 228053000

This allows massive airflow improvement without cold weather hard starts and none of the possible random codes associated with a simple grid heater delete

but still have excellent street manners