^^ actually yeh, im interested too... it would seem the regulator would be changed in order to tune it properly?

what are the chances you could giv us a write up of the parts you used or PM *enter nervous laugh here* ahaha
that is, if its ok with you of course.

a wrx is 100kg heavier (give or take depending on the model)
& to stay side by side is very good... in my books at least.