I don't see many posts for the Turbo charged Ecotec (mostly trucks). I'm looking at getting a tuner but I have a few questions: 1) What's the difference between the flashpac and Cortex tuner? 2) I'm currently stock so how will my tune adapt to other mods as I add them? 3) The GM tune replaces the 2 bar MAP with a 3 bar. None of the other tuners I've read about do this? Would this be a crutch? 4) Some HHR owners seem to have brake issues after replacing the factory tune. Is Superchips aware of this issue?
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