PRXB Exhaust Brake (Only) – C40111 – DirectMount 4 Inch Exhaust " Engine Upgrade Kits and Parts The Viton O-ring tightly seals

The Viton O-ring tightly seals off the fuel filler neck

Pro GUARD D2 Fuel Filters deliver increased flow and efficiency that are demanded in the Diesel environment

This kit eliminates the "dead-head" stock fuel rails and provides adjustable fuel pressure capability to the Power Stroke fuel system

(Patent Pending)

Kit includes screws

PRXB Exhaust Brake (Only) – C40111 – DirectMount 4 Inch Exhaust " Engine Upgrade Kits and Parts The Viton O-ring tightly sealsProduct 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