Seeing how that Version 3's best car 'may' be the Subaru, here is a compilation of Version 2's GC8. May well be a good source of ref. and practice before version 3 actually launches. Again, may or may not be accurate as your personal experience would be the best test.
Subaru Impreza WRX STi Ver. 6Summary of tunes
A tune - considered having best accel and speed, but drifty
B tune - best top speed
C tune - best handling
Engine/internals
A tune - unknown
B tune - unknown
C tune - unknown
Wheels
A tune - Volk Racing TE37 (gold) - typical of VR wheels.....handles bad but fast
B tune - Volk Racing multispoke (gold)
C tune - Enkei multispoke (white)
Muffler
A tune - STi
B tune - Syms
C tune- Zero Sports
Rear spoiler
A tune - STi S201 large spoiler - stable
B tune - Syms (resembles a Skyline R32 spoiler)
C tune - Zero Sports (resembles a Skyline R33 spoiler)
Front bumper
A tune - STi WRC bumper - get the WRC look!!!!!
B tune - Syms
C tune - Zero Sports
Sideskirts
A tune - Subaru
B tune - Syms
C tune - Zero Sports
Rear bumper
A tune - Subaru
B tune - Syms
C tune - Zero Sports
Mirrors
A tune - Subaru
B tune - Subaru
C tune - Zero Sports aerodynamic mirrors - slight increase in top speed
Engine hood
A tune - STi rally roof air scoop
B tune - Syms
C tune - Zero Sports GT hood
Hope this helps
