Pacbrake C44065 – 4” Exhaust Brake Kit – 1999-2002 Cummins 5.9L

Code: C44065


In Stock


Achieve the market’s best braking power-to-price ratio with PRXB Exhaust Brakes from Pacbrake.

We proudly supply exhaust brake systems for the US Army’s Stryker Wheeled Vehicles, designed by General Dynamics Land Systems.

Explore Pacbrake’s InLine Mount 4-inch PRXB High-Performance Exhaust Brake for Dodge RAM 1999-2002 Cummins 5.9L ISB 24 Valve Engine with 47RE Automatic Transmission.


  • Boosts braking power by 50% at lower RPMs, offering optimal holdback in the 1400-1800 RPM range where you typically drive.
  • The spring-controlled pressure-regulated mechanism protects against engine overpressure.
  • Deactivating the brake allows unrestricted exhaust flow, preventing interference with power output.
  • Features a patented 90-degree non-contacting butterfly valve, maximizing back pressure while preventing seizing.
  • Utilizes an industry-exclusive Arcor nitride coating on housing and components for increased wear and corrosion resistance, enhancing exhaust brake strength and adding lubricity.


    • Application: Dodge RAM 1999-2002 Cummins 5.9L ISB 24 Valve
    • Size: 4.0 Inch
    • Hose Length: 25 Foot
    • Hose Type: Coiled
    • Capacity: .5 Gallon
    • Transmission: Automatic Transmission
    • Mount: In Line Mount
    • Valve: 24 Valve
    • Engine Manufacturer: Cummins
    • Engine Years: 1999-2002
    • Liters: 5.9 Liter

Additional information

Weight30 lbs

Model Specific

This part fits select models

DodgeCummins 5.91999
DodgeCummins 5.92000
DodgeCummins 5.92001
DodgeCummins 5.92002