Quote:
Originally Posted by ImAuthenticFTW
but doesnt the swift kit boost 9.5psi?
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Well.. yes.. but for most I would recommend 7-8psi but you could go to 9-9.5 without issue but recommend you to tune the car at a local shop for anything above that. I know swift will give you a very good base map but it's still highly recommended to get a tune.. IMO.. since every car is different.