For five years, Factory Five customer Ed Boothman and his team competed in the 25 Hours of Thunderhill in a modified Challenge Car. After the 2012 event, the car was retired, and eventually sold by Ed. It is now owned by Ben F. from New Hampshire who has shared the news that he has completed converting the 25 Hours Challenge Car into a street car. “It’s an ex-race car not a show car, and a lot of fun!" said Ben. Read more about Ben's Challenge Car project on our website. #factoryfive #factoryfiveracing #ffr #challengecar #racecar #nasa #proracing #carproject #streetcar #customcar #diy #builtnotbought