Haha. As long as all the breathing mods are done then you're ready. If you'd like to upgrade flywheels, pulleys , or anything like that for more power it won't require another tune because they don't have anything to do with air. If you plan to do headers or an intake plenum then you'll want to wait. Other than that just find a reputable shop and get it done.
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2010 40th Anniversary 370Z
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