that combo and this engine will need a tune to see the real gains. The G37 is doing best with just HFC's and cat back. CAI require a tune to get more then 4-5 HP out of them if you already have HFC's and Cat back.
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Originally Posted by SAM@GTM
Engine detonation is not normal and it should never never happen, and whoever told that need to do something else for living .
Sam
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