This is the impressive part:
"While most of its competitors use carbon-fiber passenger cells, the GT2 RS is built upon the same majority-steel unibody as other 911s, on the same assembly line in Zuffenhausen. To make up the difference, the parts bin has been exposed to radical lightweighting gamma rays: gorilla glass, magnesium roof, titanium silencer, carbon-fiber door hinges, body panels, and even stabilizer bars. Out go the plush front buckets; in go two carbon-shell racing seats, bolstered like a coffin."
Read Article