The completely redesigned 2015 Ford Mustang is no longer a mystery. The specs are out in the open and the pony car is already available for order. However, Detroit’s brand-new muscle car still has a lot of cool tricks up its sleeve, mostly consisting of performance and visual upgrades. Be it a factory-prepped SVT or aftermarket tunes from Saleen or Roush, Mustang enthusiasts are in for a lot of awesomeness over the next few months. Then there’s the Mustang RTR, one of the most aggressive-looking ’Stangs the market has to offer. Yes folks, Vaughn Gittin Jr.’s shop is getting ready to launch its own interpretation of the fifth-gen Mustang.