PRXB Exhaust Brake Kit – C44063 – InLine Mount 4 Inch Exhaust ford Engine rear cover MUST be

Engine rear cover MUST be machined 1/4" thinner to allow for the mid-plate clearance between the transmission bell housing and engine rear cover

The following power gains are representative of an actual test vehicle

experience the quickest write times in the industry—approximately 6 minutes

Dyno-Proven Gains up to +35 HP & +61 Lbs

PRXB Exhaust Brake Kit – C44063 – InLine Mount 4 Inch Exhaust ford Engine rear cover MUST beProduct 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