Home » 2016 Porsche 911 GT3 R – Road Car, Daytona Racer + Christophorus ‘Black Magic’ Sebring Test Feature » 2016 Porsche 911 GT3 R – Sebring 30-Hour Testing 17 2016 Porsche 911 GT3 R – Sebring 30-Hour Testing 17 Home » 2016 Porsche 911 GT3 R – Road Car, Daytona Racer + Christophorus ‘Black Magic’ Sebring Test Feature » 2016 Porsche 911 GT3 R – Sebring 30-Hour Testing 17