Porsche’s Sonderwunsch department built a 935-inspired 991.2 911 GT2 RS called the Flachbau RS as a one-of-one commission for a wealthy customer. The Flachbau RS was built from a “like-new” 2018 GT2 RS with the Weissach package; it leaves the powertrain untouched but sheds nearly 70 pounds from the original.The Sonderwunsch team worked with Style Porsche, a team of development engineers, Manthey, and Porsche Motorsport, all of whom spent three years developing the car.