Cold-air kits, throttle bodies, pulleys, and tunes are routine alterations amongst '07-up Shelby GT500 owners. These are reasonably priced pieces that are relatively easy to install, and for the most ...

If there is one way you are guaranteed to end up with a fast car, it is to start off with a faster one. It's much easier to make a fast car faster than to make a slow car fast. We decided to put the ...