1st mods .... berk hfc is good choice. I felt most gains with that mod. Then some type of catback exhaust should be next, for flow and sound. (Oem nismo works good)
3rd would be intake manifold like motordyne ( I have) , im sure z1 is fine too.
If u get cold air intake then get tune also to get max benefits. I wouldnt spend at least $210 on post maf tubes and kn filters.
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09 370z 6spd traded 1/12/15 for 15 Challenger RT 6spd
Last edited by 7speed; 10-06-2014 at 12:16 AM.
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