PRXB delivers constant backpressure throughout the entire operating RPM range for unmatched stopping power
PRXB offers the highest braking power to lowest price ratio available. Pacbrake's 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.
Upgrade any standard exhaust brake to a PRXB for an improved design and a longer lasting brake with significantly increased performance
Tow & haul with complete control!