Fiesta ST Mk8 EBC Yellowstuff 4000 Series Street and Track Brake Pad Rear SetEBC Brakes Yellowstuff compound is a high performance road pad that is also suitable for track use and works really well from cold. If you want the ultimate in high friction braking, this is the pad to choose. Brakes feel superb from first touch of the pedal and stay effective right up to race temperatures. EBC Brakes Yellowstuff is designed for faster, higher horsepower cars where maximum stopping power is the prime requirement as well as for track