ok im not one for electronic shit so i dont really know jack shit about ecus and tuning and all that shit but i did buy hondata s300 to run on my hatch w/ls swap t3/4 turbo dsm injectors and all that. so this guy tells me i need a p28 to install it right and he will give me the ecu and install for 250. does this sound right or is it bullshit? any help is greatly appreciated.