04.5-07 Dodge Cummins 5.9L Prxb Exhaust Brake Only (No Tank No Air Compressor 04.5&05 Need Transmission Controller)

Pacbrake DirectMount 4'' PRXB Exhaust Brake Kit

PRXB exhaust brake offers the highest braking power to lowest price ratio available. Pacbrakes flagship product is the unquestioned leader in the supplemental brake industry. It has changed the way people think about exhaust brakes by providing performance, safety and durability that is unmatched by any other exhaust brake on the market.

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). Better than any standard exhaust brake on the market.

The spring controlled pressure regulated mechanism on the exhaust brakes protects against engine overpressure.

Pacbrake exhaust brakes are designed specifically for individual engine applications to maximize performance and reliability. They are not a one size fits all compromise.

When the brake is deactivated, exhaust flow is unrestricted and wont interfere with power output

Patented 90 degree Non-contacting Butterfly Valve is specially engineered to maximise backpressure while preventing seizing.

The brakes use industry exclusive Arcor nitride coating on housing and components which increases resistance to wear and corrosion while strengthening the exhaust brake and adding lubricity.

Precision machined surfaces on the exhaust brake eliminate the need for troublesome gaskets and risk of leakage.

The brakes have hard anodized aluminum and stainless steel body and shaft with high performance seals.

Maintenance is as simple as using the exhaust brake on a regular basis and periodically applying Superlube (Pacbrakes multi-purpose heat resistant lubricant which helps to prevent rust and corrosion).Every PRXB Automotive Kit comes with everything required for a complete installation. PRXB Exhaust Brake, Controller (when required for application) and AMP Onboard Air Kit, which includes: HP325 Series Compressor, 0.5 Gal Air Tank, 25ft Coiled Air Hose, Air Accessories and Fittings Kit.