c44072 - 4" PRXB Exhaust Brake Kit with Maximum Exhuast Flow Design 1994 -98 Standard Transmission $1,258.75	c44073 - 4" PRXB Exhaust Brake Kit with Maximum Exhaust Flow Design 1994-1995 Automatic Trans. $1,637.80	c44076 - 4" PRXB Exhaust Brake Kit with Maximum Exhaust Flow Design - 1996-1998 Automatic Transmission $1,637.80	c44075 - 4" PRZB Exhaust Brake Kit with Maximum Exhaust Flow Design 1998.5-2002 24V Automatic Transmission $1,637.80
c44074 - 4" PRXB Exhaust Brake Kit with Maximum Exhaust Flow Design 1998.5- 2002 24V standard trans. $1,258.75	c44030 - 4" PRXB High Performance Exhaust Brake Kit 2003-04 (before Jan.5,04) Standard Transmission $1,258.75	c44031 - 4" PRXB High Performance Exhaust Brake Kit ( Air Actuated) 2003-2004 5.9 l 24 Valve(built up to Jan4, 2004) with existing onboard air $973.75	c44032 - 4" PRXB High Performance Exhaust Brake Kit ( Air Actuated) for Vehicles with Existing Onboard Air -2003-2004.5 48RE Auto Trans $1,352.80
c44033 - 4" PRXB High Performance Exhaust Brake (Air Actuated) For Vehicles with Existing Onboard Air 2004.5-2005 Automatic Transmission $1,352.80	c44037 - 4" PRXB High Performance Exhaust Brake Kit ( Air Actuated) for Vehicles with Existing Onboard Air - 2006-2007 Automatic Transmission $973.75	c44049 - 4" PRXB High Performance Exhaust Brake Kit (Air Actuated) DirectMount Comes with Air Tank/Hose and Accessory Kit 2003-04 (before Jan. 5,2004) Automatic $1,637.80	c44045 - 4" PRXB High Performance Exhaust Brake Kit (Air Actuated) DirectMount Comes with Air Tankd/Hose and Accessory Kit 2004.5-07 $1,258.75
c44052 - 4" PRXB High Performance Exhaust Brake Kit (Air Actuated) DirectMount Comes with Air Tank/Hose and Accessory Kit 2004.5-2005 Automatic Transmission $1,637.80	c40110 - 4" PRXB High Performance Exhaust Brake ONLY - Replaces Fixed Orifice Exhaust Brake - 2003-2004 $760.00	c44037 - 4" PRXB High Performance Exhaust Brake kit ( Air Actuated) - For Vehicles with Existing Onboard Air - 2004.5-2007 $973.75	c40111 - 4" PRXB High Performance Exhaust Brake ONLY - Replaces Fixed Orifice Exhaust Brake 2004.5-2007 $760.00
c44051 - 5" PRXB High Performance Exhaust Brake Kit (Air Actuated) In-line Mount Comes with Air Tank/hose and Accessory Kit 2003-2005 Automatic $1,650.00	c44047 - 5" PRXB High Performance Exhaust Brake Kit (Air Actuated) In-lineMount Comes with Air Tank/Hose and Accessory Kit 2003-2007 Standard Transmission $1,258.75	Down Pipe $114.00	4" Adapter for trucks with 4" aftermarket exhaust systems $39.83
c14000 - Pacbrake kit 1988-93 Standard Transmission $807.50	c14000AT - Exhaust Brake Kit (Vacuum Actuated) DirectMount 1988-1993 12Valve Automatics $807.50