you plug your sct tuner into the OBD II port get the trucks stragegy. write it down, call eric at innovative tell him you want custom tunes for your truck. tell him what you have done your strategy and all that fun stuff he'll ask you for. he'll send you an email with the tune in it then load it onto your sct with liveload software then put the sct back into your OBD II port and load the tune to the truck...then youll be roastin tires