Good morning. Saturday, I acquired an 07 SGT with 18k miles on the clock, and absolutely love it. I am aware that the car already has some FRPP mods along with a tune. Being that the car already has a tune, is it even worth it purchasing an SCT handheld tuner with some sort of tune to increase power? Or is it simply a waste of $$$ being that the car already has a tune. Any opinions?