This is what happens when your car backfires on nitrous oxide

 
This engine is finished now. If you're not careful about your nitrous setup, you could be looking at buying a new engine like this guy.

What are power adders?

Power Adders

Power adders are anything you can add to a cars engine to boost its horsepower and speed. The main power adder is nitrous oxide or NOS which is shot through the manifold to give a significant horsepower boost. Depending on how big the shot is it could boost your power or blow your engine so you have to be careful how you use it.

This video will explain nitrous as a power adder oh yeah. Let's get started with the first edition of Power Adders TV