California Doubling: Original film was set in West Virginia, but was shot in Ontario, Canada.
Left for Dead takes it further by being shot in Bulgaria.
Dawson Casting: Dead End has 30-year-old actors playing 20-year-old characters.
Dolled-Up Installment: When the movie Swamp Devil got bootlegged into Philippines, it was titled Wrong Turn 3.
Enforced Method Acting: During the filming of the first installment, Desmond Harrington broke his ankle during the escape from the hillbillies' cabin. It was worked into the film with Harrington's character Chris getting shot in the leg.
In the same film, the actor who played Saw-Tooth actually got set partly on fire during the climactic battle, which was kept in the final cut.