Pacbrake's DirectMount 4'' PRXB High Performance Exhaust Brake Kit for Dodge RAM 2004.5 - 2007 Cummins 5.9L ISB 24 Valve with Standard Transmission.Air Actuated - For Vehicles with Existing Onboard Air. Switch Pac : Optional (Pacbrake Part Number C18042) for Dodge 2004.5 - 2007 Cummins 5.9L ISB 24 Valve with Standard Transmission.ECM Bypass : Optional (Pacbrake Part Number C20135) for Dodge 2004.5 Cummins 5.9L ISB 24 Valve with Standard Transmission. ECM Bypass : Optional (Pacbrake Part Number C20141) for Dodge 2005 Cummins 5.9L ISB 24 Valve with Standard Transmission. ECM Bypass : N/A for Dodge 2006-2007 Cummins 5.9L ISB 24 Valve with Standard Transmission.Switch Pac : N/A for Dodge 2006 - 2007 Cummins 5.9L 24 Valve Engine with 48RE Automatic Transmission. Transmission Controller : N/A for Dodge 2006 - 2007 Cummins 5.9L 24 Valve Engine with 48RE Automatic Transmission

Pacbrake's InLine Mount 5'' PRXB High Performance Exhaust Brake Kit for Dodge RAM 2003 - 2007 Cummins 5.9L ISB 24 Valve Engine with Standard Transmission and Dodge RAM 2006 - 2007 Cummins 5.9L ISB 24 Valve Engine with 48RE Automatic Transmission. Air Actuated - Comes with Air Tank, Hose and Accessories.Switch Pac : Optional (Pacbrake Part Number C18042) for Dodge RAM 2003 - 2007 Cummins 5.9L ISB 24 Valve Engine with Standard Transmission. ECM Bypass : Optional (Pacbrake Part Number C14037) for Dodge RAM 2003 - 2004 Cummins 5.9L ISB 24 Valve Engine with Standard Transmission. ECM Bypass : Optional (Pacbrake Part Number C20135) for Dodge RAM 2004.5 Cummins 5.9L ISB 24 Valve Engine with Standard Transmission. ECM Bypass : Optional (Pacbrake Part Number C20141) for Dodge RAM 2005 Cummins 5.9L ISB 24 Valve Engine with Standard Transmission. ECM Bypass : N/A for Dodge RAM 2006 - 2007 Cummins 5.9L ISB 24 Valve Engine with Standard Transmission. Switch Pac : N/A for Dodge 2006 - 2007 Cummins 5.9L ISB 24 Valve Engine with 48RFE Automatic Transmission. Transmission Controller : N/A for Dodge RAM 2006 - 2007 Cummins 5.9L ISB 24 Valve Engine with 48RFE Automatic Transmission

Pacbrake's InLineMount 4'' PRXB High Performance Exhaust Brake Kit for Dodge RAM 1994 - 1998 CumminsCummins 5.9L 6BT 12 Valve Engine with Standard Transmission. Air Actuated - Comes with Air Tank, Hose and Accessories. Switch Pac : Pacbrake Part Number C10840. ECM Bypass : Included

Pacbrake's InLineMount 4'' PRXB High Performance Exhaust Brake Kit for Dodge RAM 1999 - 2002 Cummins 5.9L ISB 24 Valve Engine with Standard Transmission. Air Actuated - Comes with Air Tank, Hose and Accessories. Switch Pac : Pacbrake Part Number C10841. ECM Bypass : Pacbrake Part Number C12015

Pacbrake's InLineMount 4'' PRXB High Performance Exhaust Brake Kit for Dodge RAM 2003 - 2007 5.9L ISB 24 Valve Engine with Standard Transmisison and Dodge RAM 2006 - 2007 Cummins 5.9L ISB 24 Valve Engine 48RE with Automatic Transmission. (Built after Jun 27, 2005). Air Actuated - Comes with Air Tank, Hose and Accessories.For Standard Transmission - Switch Pac : Optional (Pacbrake Part Number C18042) for Dodge RAM 2003 - 2007 5.9L ISB 24 Valve Engine with Standard Transmission.ECM Bypass : Optional (Pacbrake Part Number C14037) for Dodge RAM 2003 - 2004 5.9L ISB 24 Valve Engine with Standard Transmission. ECM Bypass : Optional (Pacbrake Part Number C20135) for Dodge RAM 2004.5 5.9L ISB 24 Valve Engine with Standard Transmission. ECM Bypass : Optional (Pacbrake Part Number C20141) for Dodge RAM 2005 - 2007 5.9L ISB 24 Valve Engine with Standard Transmission. For Automatic Transmission - Switch Pac : N/A. Transmission Controller : N/A

Fits: 1994-1998 Dodge Ram 2500, 1994-1998 Dodge Ram 3500

Fits: 2009-2010 Dodge Ram 1500, 2015-2018 Ram 1500, 2011-2014 Ram 1500

Fits: 2015 Chevrolet Silverado 2500, 2016-2019 Chevrolet Silverado 2500 HD, 2015 Chevrolet Silverado 3500, 2016-2019 Chevrolet Silverado 3500 HD, 2011-2014 Chevrolet Silverado 2500, 2011-2013 Chevrolet Silverado 3500, 2014 Chevrolet Silverado 3500 HD, 2015-2019 GMC Sierra 2500 HD, 2015-2019 GMC Sierra 3500 HD, 2011-2014 GMC Sierra 2500 HD, 2011-2014 GMC Sierra 3500 HD, 1930-1931 Harley Davidson D, 1930-1931 Harley Davidson DL, 1931 Harley Davidson DLD, 1934-1935 Harley Davidson G Servi-Car, 1934-1935 Harley Davidson R, 1934-1935 Harley Davidson RL, 1934-1935 Harley Davidson RLD, 1935 Harley Davidson RLDR, 1930-1931 Harley Davidson V, 1930-1931 Harley Davidson VC, 1934-1935 Harley Davidson VD, 1934 Harley Davidson VFDS, 1930-1931 Harley Davidson VL, 1934-1935 Harley Davidson VLD, 1935 Harley Davidson VLDD, 1935 Harley Davidson VLDJ, 1930-1931 Indian 101 Scout, 1930-1935 Indian Chief, 1930-1935 Indian Inline 4, 1934-1935 Indian Scout, 1934-1935 Indian Sport Scout