2001-2007 Duramax LB7/LLY/LBZ Stainless 4" Cat-Back Exhaust (S6004SLM) KC Turbo

2001-2007 Duramax LB7/LLY/LBZ Stainless 4" Cat-Back Exhaust (S6004SLM) KC TurboBuilt from heavy duty aluminized steel MBRP's SLM Series exhaust systems offer a value price without compromising on the quality build to every componentnt. While the seams are a major pointnt of rust through with some budget systems, MBRP's fully sealed tubing adds years to your system. Constructed to the same specifications as our top of the line Pro Series. we back this with a 5 year warranty. MBRP exhaust systems are as much fun to install as they

high-lift applications

driving the turbo

NOTE: This camshaft is designed to be used with our 4 degree phaser limiter installed

Initial Torque: 130 ft-lbs before first startup

This unit offers 3 horsepower settings (40

Upgrade to our Bolt-On Cam Gear Retainer and safeguard your mechanically injected Cummins against cam gear push-off

Sold as a set

We utilize world class calibration equipment and pride ourselves with a very low claim rate and our specialized computer driven test benches catch defects before they leave our facility

Built & Tested to OEM Specs

9L Economy Series Injector Set (DDP9498-ECO)

OEM Part Number: 3800984 | 4891252

If you have not installed the CAT adapter the PPE Premium Oil Filters thread right to the stock mating surface