Quote:
Originally Posted by NissanZ34
Hello. My cfm mods are Z1 CAI, HFC and Catback exhaust. Should I be contented and have the car tuned as it is right now or should I wait and have the plenum ported/polished? Please also state if the plenum mod will harm the tune if it's done afterward.
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Wait until you do the plenum if possible. If you do get a tune now, Seb will usually tweak your tune afterwards for free as long as nothing drastic was done. Plenum mod after already getting a tune won't hurt you to much, but the car could mess with AFR a bit.