Autoblog (blog) | 2019 Porsche 911 GT3 RS | More power, more glory Autoblog (blog) Porsche Motorsport maintained the expected weight-loss regime, with a magnesium roof, polyurethane front and rear fascias, carbon fiber trunk lid and fenders, titanium muffler and exhaust tips, lightweight glass, door pull loops on lightweight door ... Born from racing: the new 2019 Porsche 911 GT3 RS |