 | This article may contain excessive or inappropriate references to self-published sources. (July 2019) |
 | |
| Company type | Public |
|---|---|
| Industry | Automotive |
| Founded | 2001 |
| Headquarters | Dortmund, Germany |
Key people | Jan Fatthauer |
| Products | Automobiles, Automotive parts |
| Website | 9ff.com |
9ff is a German car tuning company based in Dortmund. It was founded by Jan Fatthauer in 2001. It specializes in converting stock Porsches into street legal racing vehicles, either as fully tuned cars,[1][2][citation needed] or by selling individual parts or kits.[3] The company is best known for building one of the first cars to exceed 400 km/h (249 mph), the GT9, capable of 256 mph (412 km/h).[4] The former company, 9ff Fahrzeugtechnik GmbH, filed for bankruptcy in September 2013.[5][6] A new company, 9ff Engineering GmbH was founded in October 2013.
- ^ "9ff — Autoblog". Autoblog.com. Retrieved 2010-07-03.
- ^ "9ff cars". Top Speed. Archived from the original on 2010-06-25. Retrieved 2010-07-03.
- ^ "9ff Fahrzeugtechnik GmbH - Best technology for the best performance - Products". 9ff.com. Archived from the original on 2013-10-27. Retrieved 2013-10-20.
- ^ Nick, By (2008-03-25). "First Drive: Porsche 9ff GT9 review (2008 model) - MSN Cars UK". Cars.uk.msn.com. Archived from the original on 2012-01-26. Retrieved 2013-10-20.
- ^ "SpeedART Declares Bankruptcy, Blames it on Porsche Lawsuit, 9ff Also Files for Insolvency". Carscoops. 2013-09-18. Retrieved 2013-10-20.
- ^ "Why are so many German tuning houses going bust?". Autocar. 2013-09-20. Retrieved 2013-10-20.