the difference between WRX type RA and WRX sti type RA?
 

Hi
Does any1 know the difference between '99 WRX type RA 555 WRC limited' and '99 WRX sti type RA WRC Limited'? It looks like type RA doesn't have sti parts in it. What are the mechanical differences?

Depends on the year, but just off my head, the STi comes with the following:

STi inter cooler
Forged pistons
STi ECU
Carbon fibre strut tower bar
Competition clutch
High rear spoiler
4-sensor 4-channel ABS
4-pod front brake callipers, 2-pod rear brake callipers
Inter cooler water spray(RA&R)
DCCD (Electro-magnetic center differential) & rear mechanical differential (WRX comes with center differential with viscous LSD & rear Suretrac LSD)
Gold alloy wheels
White dash cluster
Roof ventilator