SVT is a performance car, you're not sticking a chip in it to unlock power, tunes make it more Driveable and over well better exp. by tuners do you mean the person or the hand held decive we mostly use SCT Diablo tuner that arent made anymore don't show certain things you will want a SCT tuner. Tunes depend on what you have on your car? But Tom will have you datalog send you a base tune and if you want work on it from there.
CM Stage 3, Alum FW, HawkPS Brake Pads, EBC Rotors, Torsen Differential, Tom's Tune, Rear Tranny Mount, FRSTS, Lunch Box Delete, MSD Coilpack, Massive Wires, Massive Strut Tower, TS Mani, TB, Cam tuning, and Cat Cam.