the specialist Porsche tuner out of Germany that has showed up at Essen with its 9ff GT9 Vmax. Over the four years of the GT9's existence it has gone from 987 horsepower and a 253-mile-per-hour ...

Incredible – the 9ff GT9 Vmax runs and runs and runs. 0 to 186 mph costs him 13 seconds. 9ff claims its 1.1-meter flat flounder will accelerate in 13.0 seconds. Not for the 0-62, however ...

Over the past several years, 9ff has established itself as one of the predominant Porsche tuners in the world. With hundreds of happy customers and a handful of uber-exotic one-offs under its belt ...

Watch an intense 1/4 mile drag race between the Porsche 911 Turbo 997 and the highly tuned 9FF 911 996! Can the 997’s turbocharged power keep up with the extreme performance of the 9FF-modified 996?