You can, just make sure the tuner is not locked to the original owners car. You then need to contact a tuning company (Bama, MPT, etc.) to purchase a tune to adjust the speedometer for the gears and any other mods you have done to the engine.
[LEFT][SIZE=2][B][FONT=Arial Narrow][COLOR=Red]2013 V6 Base, Manual / Race Red / Roush CAI / Roush Axle Back/w square tips / Steeda tower brace.[/COLOR][/FONT][/B][/SIZE][/LEFT]