Those are excellent choice's. (injen & Apexi) You may also want to get the cold air extension for the intake. Also Hotshot & Greddy make excellent headers for the S14. If you want to pick-up some cams either check out Jim Wolf Technologies (JWT), or check out Colt Cams (www.pdm-racing.com). For a chip re-program, go to Jim Wolf again, definately the best out there for that. For underdrive Pulleys, I believe only ASP and Unorthodox Racing make them. Most people go with ASP b/c there really is no difference except the ASP is a little heavier. It usually costs about $80-100 less too. I've seen about 3-4 different brands of flywheel.
Of Course if you want REAL power check out FMAX, and NSPORT for Turbo Kits. (you could put these together yourself if you had the know how)
If you want to upgrade Suspension then that is a WHOLE other can of worms. We have a fairly Large selection of Suspension upgrades available. And this is really where the 240sx shines, unless you go turbo. The 240 is an amazing handling car, with potential to be a world class handling car.
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