JHrin said:Contacted the dealer and was told the CP3 is the same for 03 & 04, with 05 & 06 being a different part #. The dealer could not tell me what the differences were. Looking at replacing or modifying the CP3.
03 3500 Dually, SLT Laramie, 6Spd, +60Hp Performance Injectors, 5" exhaust Donaldson muffler, Volant air filter, BD exhaust brake, BD/Carter lift pump, etc.