Originally Posted by WRXBDBY
300 whp or more perhaps but still very driveable not too high maintence.
VF30/34/39
STi Injectors or mod your stock ones
Upgraded TMIC
UP/DP
EcuTEK or AP Protune
Fuel Pump
Catback
The following is not needed but would add to reliability/ability to go for more power later.
Upgraded clutch (IMO: a Exedy Hyper-Twin)
PPG 1-4 gearset
STi 2.5L shortblock and reuse your stock heads