Porsche Top 5 series – Porsche technologies that made it from the racetrack to the street.

From racetrack to the street. In this week?s episode of our Porsche Top 5 series, Walter R?hrl presents us 5 Porsche technologies that were transferred from race cars to road cars. Since many of asked for it in the comments, we uploaded the German Version here: https://www.youtube.com/watch?v=OC_oyeEc6fk