| Automobiles, Automotive parts|
9ff is a German car tuning company, based in Dortmund, founded by Jan Fatthauer in 2001, specializing in converting stock Porsches into street legal racing machines, either as fully tuned cars, or selling individual parts or kits. They are best known for building one of the first cars to exceed 400 km/h (249 mph) - the GT9, which is capable of speeds up to 256 mph (412 km/h). The former company, 9ff Fahrzeugtechnik GmbH, filed for bankruptcy in September 2013.The 9ff Engineering GmbH, founded in October 2013, continues proceedings.
9ff have made the following models9ff T6
Speed9 (version 2)
9ff GTurbo 1200
9ff GTurbo 750
9ff GT9 Vmax
9ff GTronic 1200