i’d say difference will be plainly obvious to an intermediate AutoX’er.
v12 is not track worthy so your track guy is likely referring to kook rs3.

[quote=”macmacaman” post=298]Are we talking about a difference that is only noticeable at the hairy edge of stability, or will the difference be plainly obvious to an intermediate AutoX’er?

I’ve had a track guy recommend the Hankook’s, and have definitely heard a number of veteran AutoX’rs rave about the Star Specs.[/quote]