Porsche 911 GT3 and GT3 RS Tequipment - Retrofitted Motorsport Accessories Porsche is offering owners of the 997 Porsche 911 GT3 and GT3 RS the opportunity to buy track-tested, factory-engineered performance accessories. Strong and lightweight carbon fibre has been used extensively to manufacture most of the pieces. By Motor1.com Team Official - Sep 10 2009