BLOWOUTS OCCURRED RESULTING IN TIRE SHREADING AND FALLING APART MAKING IT IMPOSSIBLE TO REPAIR TIRES. THIS SITUATION OCCURED EACH TIME. ON THE SECOND OCCASION THE BLOWOUT CAUSED DRIVER TO HIT HEAD ON STEERING WHEEL. ALL 5 TIMES THAT THE TIRE OR TIRES BLEW OUT THEY WERE IN PIECES. *AK (DOT NUMBER: M6HH TIRESIZE: P22575R15)