Your stock brake rotors were never designed for race or heavy braking use. With abuse like this they will eventually warp or even crack. These StopTech drilled rotors will not only stand up against any abuse you can put them through, but also give you more responsive stopping power. When your stock rotors begin to reach its maximum heat temperature there is minimal ways for heat dissipation. The cross drilled holes provide better heat dissipation so the rotor will not warp, which will also help with brake fad. The StopTech Drilled rotors simply replacing your existing rotors and do not require any modifications to fit. Improve your braking power and your brake appearance with these StopTech Drilled Rotors.
Please note the Audi A4/S4 StopTech Drilled Rotors are sold in pairs.