EFILive tuning for the 2007.5-2009 Cummins is now available to meet your desired horsepower gains. Each AutoCal will come with 5 tunes. When you purchase a GDP Tuning AutoCal you will be ready to unleash the beast that’s locked inside of your truck.
2007.5-2009 6.7L Cummins tunes are configured in CSP-5 format. This configuration allows two different methods of power level adjustment.
Switch Position |
Power Level Name |
HP Rating |
Position #1 |
NO POWER |
+20HP |
Position #2 |
TOW |
+50HP |
Position #3 |
STREET |
+90HP |
Position #4 |
PERFROMANCE |
+120HP |
Position #5 |
RAMPAGE |
+175HP |