PRXB Exhaust Brake Kit – C44075 – Direct Mount 4 Inch Exhaust " GM Part Number: 3642306501

Part Number: 3642306501

Dyno-Proven Gains up to +26 HP & +80 Lbs

die-cast A380 aluminum

The six-position chip offers adjustable performance

Each plug features high-power Neodymium magnets which pull harmful ferrous particles out of your fluids before they have a chance to do damage

PRXB Exhaust Brake Kit – C44075 – Direct Mount 4 Inch Exhaust " GM Part Number: 3642306501Product 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