George B Posted July 22 Share Posted July 22 I have just acquired a 2008 SD 430 with run-flat tires. Are they supposed to be noisy? Mine are so much that above about 50 mph can barely hear the radio;. Quote Link to comment Share on other sites More sharing options...
RX400h Posted July 22 Share Posted July 22 I am fairly certain that that is not normal. My experience with runflat tires during the early 2000s is that due to their greater sidewall stiffness, the ride was harsher than that of non-runflat tires. I don't remember the noise level being that much different. Quote Link to comment Share on other sites More sharing options...
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