hey guys, im currently running 275/60/15 MT et street radials on my 03 cobra! still with the irs and 6 speed! they are ok but i am wanting to change to an DOT slick! im running the true street class so it must be DOT tire! im running H&R race springs dss level 2 halfshafts, staggy ported blower 530whp 530wtq! i would like to run and 28x10.5/15 tire but hard to fine! i hear that the hoosier quick time pro DOT are a good slick but they are 28x11.5x15! a lil advice would be great! thanks guys