PRXB Exhaust Brake Kit – C44045 – DirectMount 4 Inch Exhaust (Air Actuated) Truck Brand:RAM 220" of internal height while

220" of internal height while still allowing the use of the factory mounting hardware

Part number AP54820

Integrated exhaust brake control with included toggle switch

Part Number: 247-4207

Precision-balanced

PRXB Exhaust Brake Kit – C44045 – DirectMount 4 Inch Exhaust (Air Actuated) Truck Brand:RAM 220" of internal height whileProduct 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