C44032  2003 - 2004 5.9L 24v - 47/48RE Auto Trans w/air
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C44032 2003 - 2004 5.9L 24v- 47/48RE Auto Trans (vehicles built up to Jan 4, 2004) - 

DirectMount 4” PRXB High Performance Exhaust Brake Kit (Air Actuated).

For Vehicles with Existing Onboard Air. 

NOTE: This exhaust brake kits includes a Pacbrake Transmission Controller


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.

Pacbrake Features:

  • 50% more efficient at lower RPM's.
  • MORE RELIABLE. Patented 90 degree non-contacting butterfly valve specifically engineered to prevent sticking.
  • SAFER. Pacbrake's back pressure limiter protects against engine overpressure.
  • LONGER LIFE. Exclusive Arcor Nitride exhaust brake coating helps prevent corrosion and maintains lubricity.
  • Save on brake relines ($1500-$7500 per vehicle) pays for itself
  • Less stress while braking on down slopes
  • Quiet enough to use in the city; and legal
  • Less expensive and less weight than engine brakes
  • Easy VOEM or after market installation
  • Virtually maintenance free
  • FREE SHIPPING

All 2003-2007 kits will NOT work with Banks Turbo Back Monster® Exhaust. However, they will work with Banks Cat Back Monster® Exhaust. Applications for aftermarket turbo chargers, please contact Pacbrake for further kit information. 800.663.0096. 

  • Item #: C44032
  • Manufacturer: PacBrake

C44032 2003 - 2004 5.9L 24v - 47/48RE Auto Trans w/air

Price: $1,459.00
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