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That’s cool! Good for you. Livernois, VMP and JDM are all great companies. I don’t think anyone is arguing. JDMs email tunes have been developed on the dyno there, and are remarkably consistent from vehicle to vehicle. Dyno sheets from various customers around the country confirm 500-600WHP depending on configuration. It’s always a good idea to fine tune on a dyno if want something even more specific to your setup, but it’s pretty well known that JDMs tunes make what they make with a given setup.