At least a couple guys here are. I'm sure they can provide more info., but I've driven DAVESNELLING's RWD '35 with the Toyos and done some G-tech runs. I didn't notice much difference in ride quality, but did notice more tire noise. I didn't take any hard corners, so can't comment on that aspect, but to me, they actually seemed to have a bit less grip than the stock tires in a straight line. I got a fair amount of wheelspin doing G-tech runs in his stock vehicle, while I got much less in my modded, faster vehicle on stock tires. The Toyos do have a considerably higher treadwear rating than the stock tires.