Hi Guys im new to this site and have been researching this for a while to no hope as most sites are in German and I cant work around it. I have a Mk1 GTI cabriolet 1985 (B reg) Golf, she has a few treser decale stickers on the front and rear and gear of the car (boot and bonnet) and Treser gear knob etc now it would normally put this down to them being after market add on's but as she pulls a lot faster (when on the road) then any other mk1 we have had we are questioning if Treser ever did any tuning on the earlier models or if this may be a one off or just a standard model which just happens to have a quick footed driver in the drivers seat . Appreciate your responses guys. Happy Dubbing.