EBC DP41516R 01-03 Porsche 911 (996) (Cast Iron Rotor only) 3.6 Twin Turbo GT2 Yellowstuff Front Brake PadsEBC DP41516R 01 03 Porsche 911 (996) (Cast Iron Rotor only) 3. 6 Twin Turbo GT2 Yellowstuff Front Brake Pads Product Information The EBC YellowStuff compound is essentially a race pad but with a big difference in that it works from cold and can be safely used on the highway. 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 up to race temperatures. EBC