Originally Posted by JARblue

If you have a tune, it is truly a waste of money to also install a throttle controller (sprint booster). Just program the throttle maps in the tune to exactly what you want. The tune can program 100% throttle at 10% pedal if you so desired. Don't do that but just realize the sprint booster increases voltage which can simply be replicated exactly in the tune via programming. You can program different tune maps same as the sprint booster has different modes.