Pacbrake (C40110) PRXB Exhaust Brake Upgrade (03-04 5.9L Cummins)

• EXHAUST BRAKE ONLY Replaces Fixed Orifice Exhaust Brake.
• Pacbrake's PRXB exhaust brake delivers the strongest braking horsepower, greatest speed reductions & shortest stopping distances possible without the use of service brakes.
• Providing 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).
  
• The spring controlled pressure regulated mechanism on the exhaust brakes protects against engine overpressure.
  
• The brakes use industry exclusive Arcor nitride coating on housing and components which increases resistance to wear and corrosion.
  

Get the highest braking power to lowest price ratio available on the market with PRXB Exhaust Brakes by Pacbrake. 

We are proud suppliers of exhaust brake systems for use in the US Army's fleet of Stryker Wheeled Vehicles designed and built by General Dynamics Land Systems. 

Check out Pacbrake's Direct Mount 4-inch PRXB High Performance Exhaust Brake Only for Dodge RAM 2003-2004 Cummins 5.9L ISB 24 Valve with Standard and 47RE / 48RE Automatic Transmission. Replaces Fixed Orifice Exhaust Brakes.

• 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).
  
• The spring controlled pressure regulated mechanism on the exhaust brakes protects against engine overpressure.
  
• When the brake is deactivated, exhaust flow is unrestricted and won't 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.

Pacbrake's Direct Mount 4-inch PRXB High Performance Exhaust Brake Only for Dodge RAM 2003-2004 Cummins 5.9L ISB 24 Valve Engine with Standard and 47RE / 48RE Automatic Transmission. Upgrade.

Replaces Fixed Orifice Exhaust Brake. 

For Standard Transmission:

• Switch: Optional (Pacbrake Part Number C18042), 
• ECM Bypass: Optional (Pacbrake Part Number C14037).

For Automatic Transmission:

• Transmission Controller: Not Included

Specifications:

• Application: Dodge RAM 2003-2004 Cummins 5.9L ISB 24 Valve
• Size: 4.0 Inch
• Hose Length: 25 Foot
• Hose Type: Coiled
• Capacity: .5 Gallon
• Mount: Direct Mount
• Valve: 24 Valve
• Engine Manufacturer: Cummins
• Engine Years: 2003-2004
• Liters: 5.9 Liter

Vehicle Specifications:

• 2003 - 2004 Dodge RAM Cummins 5.9L ISB 24 Valve with Standard and 47RE / 48RE Automatic Transmission