EBC Yellowstuff is an aramid fibre based brake compound with high brake effect form cold and is possibly one of the first ever compounds that can be used for STREET AND TRACK DRIVING. These pads do not require warm up but do get even stronger under the heat of hard driving. These are not a low dust pad and if your desire is for a low dust premium street use pad, you should consider EBC Redstuff.When considering full race use, Yellowstuff has been a strong favourite, having been used for two years in the Swedish Camaro Cup and at numerous other race events where a stock caliper system is fitted.It is also the choice of 90-percent of the Mazda MX5 Miata competitors in the UK race series and has an unblemished record as rotor friendly track pad for vehicles up to 2000 lbs weight or 200 BHP.In the USA the SCCA and NASA drivershave been testing Yellowstuff with feedback and good reports POURING in from a 543 test driver major market proving event with these groups. Read that figure again 543 test drivers.There is no guesswork here. EBC Brakes Yellowstuff pads are high friction coefficient spirited street pads, track capable on import, European sport, and fast imports. For trucks and SUV vehicles Yellowstuff pads are great for towing/hauling as well as off-road use. DO NOT FIT UPGRADE PADS TO REAR OF VEHICLE UNLESS SAME UPGRADE FITTED TO FRONT, The ?Thermic Black coating? does NOT need to be removed before install. Do NOT use brake cleaner or any other method to remove Thermic Black coating from discs rotors. The Thermic black coating will be removed in the pad swept area by the brake pads with in the first 10 to 20 stops made after installation on the vehicle.The ?Thermic Black coating? is an anti corrosion coating for long resistance against rust. Attempting to remove Thermic Black Coating with brake cleaner or any other method is NOT covered under EBC warranty 2016 and up PORSCHE 911 (991/2) (Cast Iron Rotor only) 3.8 Twin Turbo S Fitment: 2013 Porsche 911 Carrera 2013 Porsche 911 Carrera 4 2013 Porsche 911 Carrera 4S 2013 Porsche 911 Carrera S 2013 Porsche 911 Turbo 2013 Porsche 911 Turbo S 2014 Porsche 911 50th Anniversary Edition 2014 Porsche 911 Carrera 2014 Porsche 911 Carrera 4 2014 Porsche 911 Carrera 4S 2014 Porsche 911 Carrera S 2014 Porsche 911 GT3 2014 Porsche 911 Targa 4 2014 Porsche 911 Targa 4S 2014 Porsche 911 Turbo 2014 Porsche 911 Turbo S 2015 Porsche 911 Carrera 2015 Porsche 911 Carrera 4 2015 Porsche 911 Carrera 4 GTS 2015 Porsche 911 Carrera 4S 2015 Porsche 911 Carrera GTS 2015 Porsche 911 Carrera S 2015 Porsche 911 GT3 2015 Porsche 911 Targa 4 2015 Porsche 911 Targa 4S 2015 Porsche 911 Turbo 2015 Porsche 911 Turbo S 2016 Porsche 911 Carrera 2016 Porsche 911 Carrera 4 2016 Porsche 911 Carrera 4 Black Edition 2016 Porsche 911 Carrera 4 GTS 2016 Porsche 911 Carrera 4S 2016 Porsche 911 Carrera Black Edition 2016 Porsche 911 Carrera GTS 2016 Porsche 911 Carrera S 2016 Porsche 911 GT3 2016 Porsche 911 GT3 RS 2016 Porsche 911 Targa 4 2016 Porsche 911 Targa 4 GTS 2016 Porsche 911 Targa 4S 2016 Porsche 911 Turbo 2016 Porsche 911 Turbo S 2017 Porsche 911 Carrera 2017 Porsche 911 Carrera 4 2017 Porsche 911 Carrera 4S 2017 Porsche 911 Carrera S 2017 Porsche 911 GT3 RS 2017 Porsche 911 R 2017 Porsche 911 Targa 4 2017 Porsche 911 Targa 4S 2017 Porsche 911 Turbo 2017 Porsche 911 Turbo S 2018 Porsche 911 Carrera 2018 Porsche 911 Carrera 4 2018 Porsche 911 Carrera 4 GTS 2018 Porsche 911 Carrera 4S 2018 Porsche 911 Carrera GTS 2018 Porsche 911 Carrera S 2018 Porsche 911 GT2 RS 2018 Porsche 911 GT3 2018 Porsche 911 Targa 4 2018 Porsche 911 Targa 4 GTS 2018 Porsche 911 Targa 4S 2018 Porsche 911 Turbo 2018 Porsche 911 Turbo S 2019 Porsche 911 Carrera 2019 Porsche 911 Carrera 4 2019 Porsche 911 Carrera 4 GTS 2019 Porsche 911 Carrera 4S 2019 Porsche 911 Carrera GTS 2019 Porsche 911 Carrera S 2019 Porsche 911 GT2 RS 2019 Porsche 911 GT3 2019 Porsche 911 GT3 RS 2019 Porsche 911 Speedster 2019 Porsche 911 Targa 4 2019 Porsche 911 Targa 4 GTS 2019 Porsche 911 Targa 4S 2019 Porsche 911 Turbo 2019 Porsche 911 Turbo S 2020 Porsche 911 Carrera 2020 Porsche 911 Carrera 4 2020 Porsche 911 Carrera 4S 2020 Porsche 911 Carrera S