9ff Fahrzeugtechnik GmbH

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9ff Fahrzeugtechnik GmbH was founded in 2001 and is based in Dortmund Germany. The Germany-based tuner develops and manufactures TÜV-certified aftermarket performance products for Porsche models. 9ff Fahrzeugtechnik GmbH also holds numerous world records for the “World’s fastest alternative fuel car”, “World’s fastest street-legal car”, and “World’s fastest street-legal convertible”, amongst others.