Might want to beef up the rear end if your really serious about the upgrades. Oh and carbon fiber is really unneeded, aluminum will be just as good at half the cost.
PHP intake spacer. It will give you back the torque you lost by getting the O/R mid pipe. It will not increase your peak numbers, only low to midrange. For a $100, its a great bang for the buck. paul's high performance is the maker.