Now that we’ve tried all of the fastest ST-class tires, we thought it was time to really step up the grip. So we’ve tested some super-grippy 245/40R17 Hoosier A6 and Goodyear RS AC autocross compound tires.
As fast we’ve been able to go on the Hankook Ventus R-S3 ST tires, the fastest of the R-compound tires is still a full …
