Import Tuner Challenge - Xbox 360 Authentic import street racing: Includes real Tokyo highways and regions, all the hottest licensed import sports cars and concept vehicles and the most prized import tuner part manufacturers. More than five million customizations: Select from a vast warehouse of specialized parts to customize a car&#8217;s interior, exterior and engine. Tune your car like a mechanic: Install custom parts with the click of a button and hit the streets wheels spinning. Players can fine-tune their parts to suit a specific race. Conquer the toughest and fastest street-racing teams: With more than 400 unique opponents with different strengths, weaknesses and custom cars, never play the same game twice. Take your ride to the Xbox Live online gaming service: See how your custom tuner stacks up in head-to-head in Versus mode &#8211; take your most extreme mods straight to the streets to dominate all who challenge.