Were can I find good performance aftermarket parts for my 89' audi 90 quattro 5cyl; turbo, supercharger, engine swaps. Is there any speacialty sights for audi 90 quattro's. Is there anything you can take off of a donor car like a turbo and put it on the engine. Is there any fun mod site for improving the apperance of the car???????????? If you know any great site please tell me. I cant find anything. Thanks

As you have discovered there are very few parts for such old vehicles. The demand has fallen off considerably and most tuners have shifted to more recent models. blauparts.com used to sell a cam for the 2.3L motor and you can still get K&N air filter. Keeping the car well tuned and maintained will give you far better performance then some $$$ bolt on parts! Yes you can drop in a turbo as it has been done but it’s going to be quite a job and a lot of money.