9ff GT2 670 for Porsche 997

There's a reason German engineering is considered one of, if not the, best in the automotive world. It's because you have some of the world's greatest engineers devise a vehicle like, say, the Porsche GT2 and then, along comes a tuner like Dortmund-based 9ff, with its own crew of lab coats, and "optimizes" the results. The head of that team is 9ff owner Jan Fatthauer, who himself oversees