PRXB Exhaust Brake Kit – C44075 – Direct Mount 4 Inch Exhaust " GM By connecting directly to the

By connecting directly to the truck's PCM

Dyno-Proven Gains up to +26 HP & +80 Lbs

Variety of Styles: Available in full brim or cap style to suit your preference and safety requirements

By adding the BD X-Flow Air Intake Heater Kit to your X-Flow Intake you can take advantage of quicker

Part Number: 3642306501

PRXB Exhaust Brake Kit – C44075 – Direct Mount 4 Inch Exhaust " GM By connecting directly to theProduct 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