bro, first, what car u got?? HA and what gen?
u said u got a universal Exhaust???? u mean the Tips?? or the Muffler? or actual Exhaust system?? and u Put it on yourself???? no welding no nothing? please make that clear.

anyways, yea. good choice, suspension first then whatever from there.

choices:

1. Real Coilovers like Metpage said - Tein, Apexi, etc
2. GC coil + Tokicco Illuminas, that's what I have, Wonderful so far. Koni Yellows shocks or whatever in the same rank, etc.
3. Decent Spring & shocks, Eibach, KYB, Koni or whatever
4. AIR BAG or AIR CYLINDER or Hydraulic, j/k i don't think u would go that far. hihihi.