shoot scotty an e-mail or call the # at digitalboxtuning.com. he is a damn great tuner and reasonably priced at chipping ecus as well. he does crome,hondata ect.. pick your poison. he got me 278 hp on a stock cr-vtec on 10 psi with stock evo 560 pink injectors with resistor box pr peak n hold wired by me crome gold walbro 255 and a command flow fuel regulator through a 3" side exit exhaust made by me! as i grew above 320 hp stock axles and differentials became marginal for reliability so i went type r tranny ls 5th with a quaiffe lsd with a clutch masters fx 500 kit. good luck with you build!