Here is some video footage of Stillen's GT competing in the New Zealand Targa rally. The organizers of the event had arranged for a rally-spec Subaru WRX with a camera mounted in the front bumper. If you want to laugh, watch the third video. The power of the GT is undeniable.
http://www.stillen.com/project_vehicles/GTOrange/STILLEN_FordGT.asp?CMP=LEC-FORDGTFORUMS
http://www.stillen.com/project_vehicles/GTOrange/STILLEN_FordGT.asp?CMP=LEC-FORDGTFORUMS