with Superchips flashpack, when you choose to go back to factory settings, it takes all of the programing off of the ecu. Just adding a tune to factory, or even lightly modified cars, is not going to hurt your car unless your drive it like an .........
2013 IOM ZL1 #002415 Born 09/13/12 - Oracle DRL LEDs, Fog LEDs, Defenderworxs Black vent inserts
2010 SIM 2SS/RS #005549 Born 05/02/09 - Oracle DRL LEDs, Oracle SMD Afterburner LEDs, K&N Typhoon CAI, Flowmaster Thunder series axle back, Heritage Grill, Superchips Tune, Defenderworxs Black vent inserts
1983 S10 - 383 stroker (10 second monster)