The Gumball Rally movie had a couple Shelby Cobras that made an impression on a lot of kids when the movie was first released

CSX 3243 was one,

the other, CSX 3255

Above images from http://talk.cobraregistry.com/showthread.php?477-Most-Significant-Cobra  and  http://www.pistonheads.com/gassing/topic.asp?t=782242