Joined: Sep 2015
I'd return it all to stock. If that fixes the problem and you still want a tune, find a reputable Dyno Tuner and take the car in for the tune. It's likely they could install your CAI (if you must) without issue (That, or install one that actually works as desired). IMHO, this is the way to go.
2014 Black GT Premium 401A / Track Pack / Roush Phase 3 SC
2018 Black Nissan 370Z Nismo