Coach Builders Ltd is responsible for building one of the three topless Dodge Challengers that will debut at the SEMA motorshow on November 4 and this is the first video of the company’s display model that sports a supercharged 6.1-liter Hemi V8 producing 560HP and 510 lb. ft. of torque. The video is from Rides Magazine’s photoshoot at Coach Builders’ Florida headquarters and even though most of the footage is of the photographer fiddling around with the camera there are some noteworthy scenes of the car. According to Coach Builders, the drop top conversion –without including the price of a Challenger- will be around $16,000. Follow the jump to watch the video. RELATED STORIES: