PRXB Exhaust Brake Kit – C44038– InLine Mount 4 Inch Exhaust Year Applicable:2007.5 -2018 Part Number: 46-70072

Part Number: 46-70072

Eliminates potential cracking from improved boost pressures that comes with turbo and electronic modifications

Highly customizable gauges and backgrounds

Part Number: 1725860

PRXB Exhaust Brake Kit – C44038– InLine Mount 4 Inch Exhaust Year Applicable:2007.5 -2018 Part Number: 46-70072Product 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