Farrah Fawcett and Adrienne Barbeau's cleavage exposing exploits.
Also, at no point in the film was Farrah Fawcett wearing a bra.
"Funny Aneurysm" Moment: In the second film, Mack (Joe Theismann) is fighting a group of mobsters when he gets tackled by several at once. The following year, Theismann was the victim of a similar tackle that broke his leg. The injury was so severe, he had to retire from football.
Hilarious in Hindsight: In the first film, the Japanese team picks up a police speed trap on their radar detector. One of them refers to the officer as a "Kojak with a Kodak". In the sequel, Big Bad Hymie is played by Kojak himself, Telly Savalas.
The Lamborghini girls, Jill Rivers and Marcie Thatcher are played by Tara Buckman and Adrienne Barbeau respectively in the first film, but in the second film they are played by Susan Anton and Catherine Bach (Daisy Duke of Dukes of Hazard fame).
Terry from the stock car team. He's played by Terry Bradshaw in the first film and Tony Danza in the second. That's right. His first portrayer makes him The Danza while his second is the trope namer for The Danza.
Retroactive Recognition: This was Jackie Chan's second attempt to break through to American stardom after the disastrous flop The Big Brawl. This film was more successful but he still didn't catch on (likely overshadowed by the numerous other stars) and had to wait until Rumble in the Bronx.