Was talking to a buddy who has had plenty of Porsches over the years and told him about a set of wheels I recently purchased by RUF, he had no idea who they were and doubted me when I said they built the original Yellow Bird from the infamous Nurburgring Nordschleife video. I sent him this link (part 1 of 4) that is a brief documentary:
https://www.youtube.com/watch?v=yfYHCbyo6CE&html5=1