This is Porsche's show-stopping 918 RSR racer<br /><br /><br /><img src="http://ll.broadbandsports.com/images/42825_thumb.jpg" alt="Detroit Auto Show - Porsche 918 RSR" title="Detroit Auto Show - Porsche 918 RSR" width="150" height="90" alt="Detroit Auto Show - Porsche 918 RSR"/>
