The JWT is the best for a single filter install IMO. But for a dubble, I'm partial to the "Doolz" Apexi set up. If you not going for crazy numbers I'd stick to a single JWT so you dont have to upgrade ECU or anything yet. Most places sell the JWT between $100-110.

http://www.courtesyparts.com/Merchan...de=PZ320-11000

http://www.amzperformance.com/z32/?p...cd28182e77e1a&

www.splparts.com go z32/intakes

http://store.yahoo.com/sgpracing-sto...pcharger2.html

http://www.conceptzperformance.com/C...71265.32.27.65

There is a few places to get you started