Pacbrake's 4 inch Direct Mount PRXB High Performance Exhaust Brake Only for Dodge RAM 2004.5-2007 Cummins 5.9L ISB 24 Valve Engine with Standard / 48RE Automatic Transmission and Dodge 2005-2007 with Standard Transmission.
Upgrade.Product1.
At lower RPM's, 50 percent more braking power is provided.
The best holdback in the 1400-1800 RPM range is given by PRXB (where you typically drive).2.
The exhaust brakes' spring controlled pressure regulated mechanism protects against engine overpressure.3.
Unrestricted exhaust flow occurs when the brake is deactivated and won't interfere with power output.4.
A patented 90 degree Non-contacting Butterfly Valve is engineered to maximise backpressure while preventing seizing.5.
The industry exclusive Arcor nitride coating on housing and components increases resistance to wear and corrosion while strengthening the exhaust brake and adding lubricity.
Switch Pac: Optional (Pacbrake Part Number C18042) for Dodge RAM 2004.5-2007 Cummins 5.9L ISB 24 Valve with Standard Transmission.
ECM Bypass: Optional (Pacbrake Part Number C14037) for Dodge RAM 2004.5 Cummins 5.9L ISB 24 Valve with Standard Transmission, ECM Bypass: Optional (Pacbrake Part Number C20135) for Dodge RAM 2004.5 Cummins 5.9L ISB 24 Valve with Standard Transmission, ECM Bypass: Optional (Pacbrake Part Number C20141) for Dodge RAM 2005 Cummins 5.9L ISB 24 Valve with Standard Transmission.
ECM Bypass: N/A for Dodge RAM 2006-2007 Cummins 5.9L ISB 24 Valve with Standard Transmission.
For Automatic Transmission-Switch Pac: Not Applicable, Transmission Controller: Not Included for Dodge RAM 2005 Cummins 5.9L ISB 24 Valve with 48RE Automatic Transmission, Transmission Controller: Not Applicable for Dodge RAM 2006-2007 Cummins 5.9L ISB 24 Valve with 48RE Automatic Transmission.
