Not the most known tuning company around, Wimmer Rennsporttechnik Solingen has a very impressive performance program for the Porsche 911 GT2, with the highlight being, without doubt, the 150 hp power increase, from the series 530 hp to an amazing 680 hp. The massive upgrade is made with the help of a bi-turbo engine, improvement [...] Post published on Rpmgo.com 680 hp Porsche 997 GT2 Biturbo by Wimmer RS Related posts: 660 hp TECHART GTstreet R based on the Porsche 911 Turbo German tuner TECHAR...
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