There were two Mustangs used for the movie Bullitt. They were identically prepped for the movie by Lee Brown owner of an exotic sports car body shop in LA. Lee and his crew put matching door dings and scratches in the two cars to give it that "used" look of a car belonging to a SFPD Detective. When the film wrapped the trucking company was told to return the cars to the place where they picked them up which was Lee's body shop in LA. Lee returned from lunch one day to see two completely trashed Mustangs sitting in the parking lot of his high end body shop that specialized in Ferrari, Lamborghini and Maserati. He called the studio and asked them to come get the cars. They offed to let him keep the cars for just a few dollars. He said he would push the cars out onto Sunset Blvd. if they did not come and get them. The studio picked them up and sold them. One car went back east and was a daily driver until it was parked in a barn and hidden away for over 30 years. The other car supposedly went to Mexico and recently turned up back in LA. Lee Brown also built the first Vector concept car and you can see him tell his "Bullitt" story in the upcoming documentary film "Vector: America's First Supercar" produced by Snow Productions.