The NSX-R is a special factory tuned production model available in Japan. The 2002 NSX-R incorporates several active body ground effect parts developed and wind tunnel tested by Honda. The 2002 NA2 NSX-R rear diffuser plate is a lower ground effect that can be used in conjunction with the lower rear valence found on 2002 NSXes. These parts together may be installed on any year NSX. The production NA2 NSX-R Rear Diffuser Plate is available in black polyurethane.