Custom Tunes
I'm getting ready to pull my EVO and send it in for an upgrade, but was wondering. As of right now I have a K&N intake and Jet MAF and plan to have Gibson Headers and Cat-back exhaust installed later this year. When I have my EVO updated with custom tunes would it be tuned for what I have now?? If so will it have to be re-tuned for the additional mods to come?? IE additional $$$$
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