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A GT3's engine performance from the factory is already impressive, so Darren opted not to change too much from the 3.8L flat-six. With only a Porsche Motorsports intake and a cat-less iPE exhaust ...
Porsche 991 GT3 RS and 997 GT3 RS Battle on Nurburgring, Casualties: One Gearbox Published: 27 Sep 2017, 13:01 UTC • By: Andrei Tutu 7 photos ...
Insane 800hp Turbo GT3 from Poland - Tailor-Made Tuning Built 997 turbo in a GT3 RS body Konrad SkuraPhotographer Matt ZuchowskiWriter May 07, 2015 See All 26 Photos ...
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