with KL, like japan, you gotta go into the county side to find all the tuning shops. Sepang's nuts, and the GT brings out all the Waja warriors on the roads. Mind you there's a healthy sprinkling of ceffies, s13's and toyotas in the mix, not to mention the guys who make the yearly pilgrimage from Singapore (these guys usually bring the expensive cars) and Thailand (the 1JZ crazy country).