PRXB Exhaust Brake Kit – C44052 – Direct Mount 4 Inch Exhaust Engine Applicable:5.9 ISB The BD FleX-Plate is proven

The BD FleX-Plate is proven to handle over 2000 lb-ft of torque

This set is a direct upgrade to the factory lines on your 2001-2004 Duramax LB7

Shipping weight: 65 lbs

does not fit with OE Downpipe

PRXB Exhaust Brake Kit – C44052 – Direct Mount 4 Inch Exhaust Engine Applicable:5.9 ISB The BD FleX-Plate is provenProduct 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