[gallery link="none" columns="1" size="full" ids="74637"] source: Audi Magazine They were called the Silver Arrows and in the 1930s they were the most exciting and successful race cars on the planet It was obvious to everyone that sporting success had a major impact on vehicle sales which in turn spurred on competition on the track A rich history of motorsport competition and success is as much a part of the Audi brand as its reputation for outstanding design, innovation and engineering. ...