ForceGT.com Car News, Car Reviews, Video Reviews, Tuning and much more. Feel that your Porsche 911 GT3 is not fast enough? Well, German tuner 9ff might be able to help. For a price, 9ff will transform your 911 GT3 into the world’s most powerful and quickest Porsche. Called the 9ff GTurbo 1200, the figures are staggering: 1200 horsepower (895 kW) and …
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