I have continental contipro contact-225/45 r17 91h/6yar w878 i've had several incidents with these tires. one exploded on the hwy 85 in ga. hoping about 60. it just shredded. $168.00. then another incident driving in town another was flat after visiting a friend, had to replace $200 to replace . 3rd in town going 35. flat. midnight a call to emergency tire replacement $200. then fourth was on the street going 25-30. bump curb turning. this was not a high speed or hard bump. two flat tires passenger side, again called emergency tire service, called at night replaced tires $200.00-but then the steering seemed weird-$3,495.00 + $200 the last 3 happened with in a month and a half. fed up. bought new set + spare of goodyear. replacement. car has less than 35,00.00 miles on it.