LOS ANGELES PI

I am in the process of selling my C6. Having the headers and fast cats taken off and stock manifolds and cats put back on. This is so I can smog the car in California for the buyer.

The car has a custom tune, and I am thinking it might be a little fat for an emissions test. Anyone know a way to flash the ECM so it goes back to the factory settings?

Any suggestions/advise is appreciated.

subfloor@centurytrans

They don't do the tailpipe test anymore so if you have access to somebody with HP Tuners it's pretty easy to "tweak" the tune in order to have all the OBD Readiness tests show as complete which is all they look for now.