07-12 Cummins 6.7 Custom RPI 5" Intake System Filter:No Filter Some benefits include:

Some benefits include:

collapsed hoses and fuel restrictions from occurring

including both automatic and manual equipped transmissions

Smarty can not restore a key on counter that anotherdownloader has erased

all heads are pressure tested

07-12 Cummins 6.7 Custom RPI 5" Intake System Filter:No Filter Some benefits include:This 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