RET tunes are non refundable in all 51 states, must be present for valid use, non negotiable, only good Mon-Fri. on normal business hours, use at your own risk, non carb cert., for off high way use only, symptoms may include whip lash from more power, mad tq., speeding tickets, girlfriend hating you, faster track times, jelousy from your friends, or crashing from to much power