they probably used cheap ass 'MADE IN CHINA' rotors ,and you shouldnt have let them resurface them ,you should have got another set,cause all they did by machining them was make them thinner ,which will cause them to warp easier


EO 98 CSVT, black, gunmetal exel 18s, H&R springs ,custom grilles, 35% tint,Hightower headlights,resonator removed,Magnaflow installed,FMS 9mm wires,K&N,Redline MTL 2000 Impala silver 2 inch drop 17 inch Exels