Home - Return to Previous Page
Additional Images

Pacbrake Direct 4" PRXB Exhaust Brake Kit For 04.5-07 Dodge Ram Diesel 'Manual'

Exhaust Brake

Pricing: $1,607.05

FREE Ground Shipping


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.



  • Severe duty & military approved
  • Compliant with latest emission regulations
  • Withstands extremely high exhaust temperatures
  • The brakes have hard anodized aluminum and stainless steel body and shaft with high performance seals
  • The spring controlled pressure regulated mechanism on the exhaust brakes protects against engine overpressure
  • Precision machined surfaces on the exhaust brake eliminate the need for troublesome gaskets and risk of leakage
  • Pacbrake exhaust brakes are designed specifically for individual engine applications to maximize performance and reliability. They are not a one size fits all compromise
  • 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
  • Maintenance is as simple as using the exhaust brake on a regular basis and periodically applying Superlube (Pacbrake's multi-purpose heat resistant lubricant which helps to prevent rust and corrosion)
  • 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



  • 2004.5-2007 Dodge Ram 2500/3500 Cummins



  • All 2004 - 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. Air Actuated - Comes with Air Tank, Hose and Accessories.


  • C44045
  • C44045
  • New

Shipping Information

  • Item Requires Shipping
  • 53.0 lbs.
  • W16.5000” x H15.5000” x L34.5000”
  • FREE Ground Shipping

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.