There are few types of specification. Impreza WRX (lower spec), Impreza WRX STI. WRX without Brembo caliper, different interior and lower bhp compares WRX STI. Mines is WRX STI. And some limited edition like WRX STI Spec C, S203, Spec C RAR. TQ.
Comparing vr4 n/a & vr4 turbo, all things being equal ie. exhaust size and air filter, which one sounds louder? Just curious, because someone commented from another forum mentioned that vr4 n/a sounds quieter. I...