Front 2 PS2's were close to smoked and got a nice ROD through one of my good rears. So 3 new tires, decided to order RT-615's. Decided that with the new BBK and more and more track time I needed a more serious track worthy tire. I have 18x9.5's at all 4 corners so 275's all around. After I get them on and do a weekend with them on the track I'll let everyone know how it goes.