Well, After looking at both the K&N ($185)and INJEN ($175)CAI kits for my 3000gt, I decided to try and buy the components (piping, elbows, cone filter). I found all the parts, made by Spectre, for under $100, and put it all together today. Runs great, noticed a bit of pickup on acceleration, not any louder at idle, but when I get on the gas a little,can definitely tell the difference. Amazing what being on a budget can do for you!! I'll post some pics in the gallery tomorrow of it. Next project is the sound system, coming this weekend!!

 

yeah thats the best way to upgrade if it's na, just do the intake, exhaust, and you're about done.