If you recall, the characters had buttons incorporated into their steering wheels that activated NOS, or nitrous oxide systems, to help give them an edge during racing. In fact, the nitrous oxide ...

If you've ever seen a modern racing film, there's a good chance you've seen nitrous used in a race or two. Here's how it works in real life.

Direct-port nitrous systems are another type of wet system that injects nitrous oxide and fuel directly into each cylinder’s intake port. Components of a Nitrous System .