PRXB Exhaust Brake Kit – C44033 – Direct Mount 4 Inch Exhaust Year Applicable:2004.5 - 2005 it removes the grid heater

it removes the grid heater and grid plate restrictions

Warm up valve is deleted for 20% more exhaust flow

Replaces Chrysler Part Number: 05143779AA

Dyno-Proven Gains up to +16 HP and +42 Lbs

PRXB Exhaust Brake Kit – C44033 – Direct Mount 4 Inch Exhaust Year Applicable:2004.5 - 2005 it removes the grid heaterProduct 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