128,000 mi on mine, and still holding strong. Tuned via Innovative since ~87k mi. Run Ex Race 80% of the time, Ex Street the other 20%. I use Race lock trans tuning on both files.
Those 41k miles tuned have not been easy, At least 30 passes(probably about 5 when I had 37's, 15 on my current 35's, and 10 on street tires) on the track, a few street launches while loaded with passengers, a couple dyno days, an scca rallycross event, 2 ~100-150yd long pedal to the floor burn outs, and plenty of offroad abuse. I can't believe it's still alive, and strong at that. Have had PMF traction bars for around 10k miles now, which I would say helped a bit.