the power: Performance of Ford Shelby GT500

In case 500 is not enough, Roush Performance Products will be offering a set of performance kits for the Shelby GT500 that can bump the power to by as much as 200 horses. The base kit consists of a cold air intake kit and; EU tuning; that Roush says increases output by 45 hp. A step up from that is a kit with a Roush’s new ROUSH Charger supercharger with a;78 mm pulley. While they’re at it,