Most important mods for an FD in ASP?
 

Some important mods I can think of off the top of my head:
(car already has a RB dual cat-back, Pettit downpipe, Gab 8-ways on R2 springs, and efini y-pipe)
- SMIC
- Power FC
- Run boost at 13psi
- Hi Flow Cat
- Coilovers
- Swaybars
- Oversized wheels
- larger radiator?
- Mazdaspeed bushings (have, just waiting to install)

I won't fit even half of that into my budget for the next year or two, so what items do you think will help the most?

I don't intend to delete comfort or emissions stuff though.

Dave

My order of mods you listed would be this.

1. Bushings, because you have them.
2. Oversized Wheels
3. Coilovers
4. Swaybars
5. SMIC, the stock one is tiny so you might want to do this first, but definately before you start adding power.
6. PFC
7. 13 psi
8. Hi-flow cat
9. Radiator, I've never had overheating problems with my car at all unless I was on a track for 10+minutes. So unless something is wrong with yours I would keep it. IMO the stock radiator is perfectly fine for cooling, the end tanks just go bad.

FYI,

I believe aftermarket radiators are a no no for ASP.

You are in fact correct. Any radiator is only permitted in Prepared and up.

My main reason for including the radiator is for on-track use.

Dave

SM allows radiators :)

Some things that I don't see listed here yet:

- Alignment
- Aggressive brake pads

I have those, not to mention v710s.

I have to pretty much agree with the list above. Do whatever you can to increase grip to start and then tweak the power.