your gonna need some money for sure. Check out the import tuning mag in comparing the boosted k20 hatch against the all motor one. Also the mag with the 250whp na setup they had too.
it takes some serious cash. minor bolt ones wont do it. you will need to boost up compression and get good cams. Of course the usual header,exhaust, intake are also needed. but its the tuning to make it work thats gonna run you some serious cash.