ive got a uk 98.suposed to be ppp'd but i am dubious.its got full hks with 1 cat removed and a hks induction.ive got a rolling road prit out from the previous owner at 256bhp from power enginering.im thinking about buying a apexi power fc and power controler.what sort of power do you reckon this would achive.also how much is it to get these fitted.