I have a 2003 USDM Civic Si, but am consideriing installing a K20A2 head from an RSX Type-S. My question is: since the Type-S head is designed for higher RPMs, would I be better off with the Civic Si program, or the RXS Type-S program? Should I send in the ECU from my Civic, or should I send in an RSX-S ECU? If I do this, I will also be installing a CAI (most likely an AEM V2) and I currently have an HKS Hi-Power catback exhaust (but may be upgrading to a full-titanium exhaust later on...not that it really matters). Also, should I use the stock K20A2 fuel injectors or should I upgrade? I don't have any plans for a turbo or supercharger anytime soon, by the way. Anyway, thanks for any help you can give me!
Oh, one more thing...I live in southern Indiana and the nearest Hondata dealer is in Ohio...what is the best way to do this?
ECU reflash with head swap
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