EBC DP31930C 09-12 Porsche 911 (997) (Cast Iron Rotor only) 3.6 Carrera 2 Redstuff Rear Brake PadsEBC DP31930C 09 12 Porsche 911 (997) (Cast Iron Rotor only) 3. 6 Carrera 2 Redstuff Rear Brake Pads Product Information Low dust EBC RedStuff is a superb pad for fast street use and targets high HP imports, muscle cars and prestige European cars. EBC RedStuff ceramic pads reduce dust emitted by OEM pads by approx 80%. Redstuff pads also reduce rotor wear so that rotors and pads last longer while delivering great brake performance. For optimum lifetime