~(10 lbs. 16X10X6)~ EXHAUST BRAKE-PRXB ISC

PacBrake’s flagship product, the PRXB (pressure regulated exhaust brake), is the unquestioned leader in the supplemental brake industry. The patented PRXB design delivers the strongest braking horsepower, greatest speed reductions and shortest stopping distances possible without the use of service brakes. It maintains optimum retarding performance by maximizing the exhaust backpressure throughout the entire RPM range. Unlike a typical exhaust brake, which requires high RPMs to work properly, the PRXB delivers constant exhaust pressure (braking) as early as 1200 RPM through to the maximum allowable RPM. It provides 50 percent more braking power at lower RPMs, specifically in the 1400-1800 RPM range. The spring-controlled pressure-regulated mechanism protects against engine over-pressure. When deactivated, exhaust flow is unrestricted. Features a patented 90-degree Non-contacting Butterfly Valve to maximize back-pressure while preventing seizing, and industry-exclusive Arcor nitride coating for increased resistance to wear and corrosion.