Toyota Supra widebody tuning by Kurhofer

[grobmotorix]

Now this is really hard for me...

Potthin is still a Toyota dealership, but I am quite sure they bought those parts from the company I am still looking for.

So you are not really wrong.


I hope the other puzzlers will not grill me for this, but I herewith award Oguerrerob one point for his intensive search and his persistence. He found one of those cars, that were marketed under different names obviously.

So there is still one more point to get here

[Oguerrerob]

Kurhofer?

[grobmotorix]

Whooohooo!

Perfect - now this is your very well deserved second point!

Solved!

[Oguerrerob]

Thanks for the points!
I'd like to share what I've found. 
The Potthin Dealer 1989 Toyota Supra MK3 Turbo Lamborghini Design II modified by Autohaus La Macchina.
The 1990 Toyota Supra MK3 by Kurhofer claimed that there are only 2 of this car