PRXB Exhaust Brake Kit – C40110 – Direct Mount 4 Inch Exhaust (Brake Only) All " Part Number: 1715867

Part Number: 1715867

the front wheels will NOT be driven through the transfer case

Part Number: 725390-5006S

Part Number:  81-2000

FPE-LML-CP3-WP: Our "With Pump" kit for the LML CP3 conversion gives you a brand new LBZ/LMM Bosch CP3 along with all of the hardware you need to convert your CP4 equipped Duramax to a CP3

PRXB Exhaust Brake Kit – C40110 – Direct Mount 4 Inch Exhaust (Brake Only) All " Part Number: 1715867Product Description Provides 50 percent More Braking Power at Lower RPM's. PRXB gives you the best holdback in the 1400 1800 RPM range (where you typically drive). 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