hey man, welcome to the forums :D just thought id throw my 2 cents in as you mentioned you were thinking of picking up a shift performance CAI... go for it man - me and a couple of others have them here, and they are just as good as any other brand, but cheaper... they are a 2 piece, and people will tell you that you lose power in the join. that's not the case. if it was it would be at most .01kw or something ridiculous... the guys at shift helped me out and they're well priced... one guy here bought a cheapo US special from ebay and got it here for just over $100 i think and he's holding the 2nd fastest 1zz with just that and a sportivo catback... as far as im concerned, a CAI is a CAI.. its the filter that you buy that makes the difference... go and get a K&N, or something decent, and you'll get the most out of it... ok enjoy your stay :P cheers, Tom