PRXB Exhaust Brake Kit – C44076 – Direct Mount 4 Inch Exhaust " CHEVY/GMC Kit Contents:

Kit Contents:

Increases turbo boost and injectors duration to improve vehicle performance

Control module monitors sensor inputs and controls vanes for optimal spool up

Reinforced Ribs and Wrinkle Black Powder-Coating with Machined Fins

PRXB Exhaust Brake Kit – C44076 – Direct Mount 4 Inch Exhaust " CHEVY/GMC Kit Contents:Product 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