These tires have been used mostly for autocross (5 events so far) and one two-day track event at Road Atlanta in a stock Si. Their grip is tenacious and predictable, with plenty of audible warning before breaking away. They are not especially noisy at city or highway speeds, and the ride is no worse than our normal street tires, General Exclaim UHPs. All our experience so far is in 80-95 degree weather and these tires seem to handle the heat well. They got a little greasy at one autocross but we didn't experience this at the track. No experience with cold weather. Dry braking is amazing and rarely triggers the ABS on a clean surface. Wet traction is better than the UHPs. Despite the abuse, we have better than half the tread left. These tires have absolutely met my goals for a sticky, high performance tire for extreme driving that can safely be used on the street, at a reasonable price. The Tire Rack salesman recommended these and they were shipped promptly.