In an unusual move, the subtitles for this movie have all swears removed, both on the DVD and in VOD. In some cases, sentences just have the swear removed, making the sentence "clean," while in other instances, the swear is replaced with "...." In the subtitles.
At the end of the movie, Buck gets into a car and runs over a skeleton, crushing it. This is a reference to Terminator 2: Judgement Day, also starring Robert Patrick, where a Terminator endoskeleton crushes a skull at the beginning of the movie.
The trivia item below may give away important plot points.
As the Gecko brothers murdering Earl McGraw is referenced and the film features Danny Trejo's bartender (who was killed in From Dusk til Dawn (1996)) this film is a midqeul rather than a sequel, has it occurs during the events of it's predecessor.