Hey guys - my sisters tire blew out, thankfully at low speed - she drives I95 at higher speed and thank goodness it happened at low.

It looks to me as if the tire pressure was real low - both the inside and outside sidewall is worn. The lettering of "Kumho" is plainly gone. The steel belts wore thru on the inside and blew out but luckily the wheel is fine. This is a Kumho Ecsta 712 255/40/17 mounted on a Rondell #58 17x10 rim.

I personally think it was low tire pressure, but what do you guys think? She's since been told and learned to check her tire pressure and paying more attention to and respecting the car.