Porsche 997 Carrera 4S ECU Flash by VR Tuned VRTuned.com April 25, 2016 Company News Had another successful customer reflash his Porsche 997 C4s with our iFlash OBDII tool here. The flash which takes about 5 minutes to read and 5 minutes to write is a huge change in performance for the 3.8L....
