PRXB Exhaust Brake Kit – C44068 – InLine Mount 4 Inch Exhaust (Air Actuated) " Air Intakes and filters FORD BD DIESEL " If you have original GM

If you have original GM Manifolds and PPE Up-Pipes

Replaces AC Delco Connector 13384371

the factory cruise control will be disabled

The Fleece Coolant Bypass is one of the most important additions you make to improve the reliability and longevity of the Cummins platform

6L Duramax modified stock replacement turbocharger

PRXB Exhaust Brake Kit – C44068 – InLine Mount 4 Inch Exhaust (Air Actuated) " Air Intakes and filters FORD BD DIESEL " If you have original GMProduct Description Provides 50 percent More Braking Power at Lower RPM's. The spring controlled pressure regulated mechanism on the exhaust brakes protects against engine overpressure. When the brake is deactivated, exhaust flow is unrestricted and won't interfere with power output. Patented 90 degree Non contacting Butterfly Valve is specially engineered to maximize backpressure while preventing seizing. The brakes use industry exclusive Arcor