Your not already running trifecta are you? If so you may want to revert back to the stock tune first...for sure.
Let us know what you think of the hypertech tune, but no you cant use trifecta or any other tune after that to tweak other aspects of the tune
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2016 Camaro 1SS - 8-speed - NPP - Black bowties
2010 Camaro 1LT V6 (Sold. I will miss her!)
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