Couple auto accessaries shops like Best Feel in Sunway has them brand new, HOP. Or try Exceptional Autoparts in Subang. They ain't gonna be cheap though.
I'm probably going to head down the route of a TD04-19T turbo and stainless steel top mount intercooler piping. The pre-made Airtrek pipe kits here in NZ cost approx $1300! I was thinking of going down to...