Quote:
Originally Posted by brentil
Reading over the rules it looks like OE tires are also required.
Nope. Any DOT approved tire is legal. Like these R-compounds...

Hoosier A3S05

Kumho ECSTA V710
Only $240-$260 ea in Solstice sizes.
You can also check and see if your local group has a street tire class and what the rules are for that.