I have a friend at work who has them on his chevy. They are not as loud as I expected but they do hum pretty good at freeway speeds as for how long they last I dont know everytime he leaves the yard he lights them up so he wont get much life out of em. Hope this helps! Tom/Thumper
damn good tires long life easy 30000 miles little hum not bad only thing they are known to do is! torque crack with free replacment so its a win win they cracked on me at 20000 miles pullin trailers and stuff
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