PRXB Exhaust Brake Kit – C44075 – Direct Mount 4 Inch Exhaust " GM die-cast A380 aluminum

die-cast A380 aluminum

The EZ is the ultimate performance upgrade for the driver that wants affordable adjustability

By connecting directly to the truck's PCM

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

PRXB Exhaust Brake Kit – C44075 – Direct Mount 4 Inch Exhaust " GM die-cast A380 aluminumProduct 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