from the article:
It would be difficult to deny that Porsche 911s fitted with Rinspeed’s R69 are the most amazingly 1980s thing ever. The Ferrari Testarossa-style side strakes are the defining feature; a feature which Ferrari had a good reason to use but which were only fitted to other cars because cocaine. But this particular R69-equipped Porsche 930 is special, partly because the car is owned by the founder of Rinspeed, who must therefore have believed that the kit was a genuinely good idea.

8 pictures and full article

.

 

I had those tartan seats in my 76.