Quote:
Originally Posted by Apex Chase
The ECM makes a record when it is re-flashed. When they pull the info they will be able to tell if you re-flashed it back to the stock tune.
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True in certain circumstances Chase. According to Trifecta and some other third party testers on a manual V6 you can load the tune in ghost mode and flash back to the factory tune without the dealer ever knowing. I have never tired it myself nor would I personally choose trifecta for my tuning needs just saying what has been reported.