07-12 Cummins 6.7 Custom RPI 5" Intake System Filter:No Filter The ProMaxx Performance Cylinder Heads

The ProMaxx Performance Cylinder Heads are high quality replacements for your 2003-2007 Ford 6

the engine will then reduce fuel

including both automatic and manual equipped transmissions

Some benefits include:

mounting pedestal and requires no additional modifications to your factory exhaust system

07-12 Cummins 6.7 Custom RPI 5" Intake System Filter:No Filter The ProMaxx Performance Cylinder HeadsThis is our 5" Cold Air Intake system for 07. 5 12 Ram Cummins 6. 7 this is the biggest system on the market! ***This system should have custom tuning for MAF sensor calibration. Meaning with efi live or mm3 tuning you will need to have your tuner re scale the MAF sensor for the 5" tube so that the truck fuels the way it should with the bigger intake.*** If you do not have Custom tuning to be able to re scale the MAF sensor, than our 4. 5" version