News tires where bad within 9 months-bought at costco -one tire had a nail and went flat very fast- -had repaired-one kept getting flat other exploded on freeway and caused damage -both flat and ripped tire happened suddenly. costco has replaced the tires all 4 -but will not pay damage to car from explosion sudden flat and in shreds . we fell they sold bad tires and these tires are a safety hazard.