Quote:
Originally Posted by Friedo225
Yeah, you're right, they aren't going to spec many without them. I wish I could have driven an adaptive with non-runflats to see how that felt, but I decided I wasn't going to take the chance that non-runflats would make it much smoother; Pilot Sport 4s are the best tires I have ever had, and do everything well, but I doubt they would alter the ride that much.
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The difference in ride smoothness between non runflat Yokohama and the Michelin PSS was significant. The yoks were almost new as well. Run flats are going to make the ride significantly more harsh over bumps than any high performance non run flat. The sidewalls have to hold the car up with no air pressure.