Modified 2011 Porsche 911 Turbo S Coupe This 2011 Porsche 911 Turbo S coupe is powered by a twin-turbocharged 3.8L flat-six that has been modified with a Champion Motorsport Turbo Power kit with 68mm VTG turbochargers, a Tubi exhaust system, carbon-fiber Y-pipe, GIAC engine management software, and upgraded intercoolers and diverter valves. The car is finished in black over black leather, and equi...