NEED HELP
#1
HELLO ANYONE WHO CAN HELP,IV'E JUST BOUGHT A LOVELY SCOOBY WRX IMPORT, IV,E BEEN TOLD IT,S A VERSION 2 WHICH IS 260BHP STANDARD, IT,S GOT A MASSIVE JAP EXHAUST ON IT WITH CAT,AND ALSO NEW 17" ALLOYS WITH YOKOHAMA TYRES, APART FROM THIS IT,S STANDARD.I HAVE BEEN RUNNING IT ON OPTIMAX JUICE,BUT WHAT I NEED TO KNOW IS WHAT IS THE BEST WAY TO GET PERFORMANCE GAINS £,S FOR BHP. ANY HELP WOULD BE GREATLY APPRECIATED, THANKS, RYAN