What Does Decat Mean On a Car?

What does decat mean on a car?

The word decat, stands for D-for delete and C-for cat, which stands basically for a deleted catalytic converter. A car exhaust system has a catalytic converter fitted to it, to remove the dangerous gases created by gasoline burned in the engine. The job of it is to make them less harmful, when released into the atmosphere. To decat an exhaust system, you will need to remove the catalytic converter and replace it with a straight through pipe. The main reason why people apply a decat to the car exhaust system on cars is because to make the sound of the exhaust sound more louder or to make it afterfire and pop. Another reason why you should decat a car exhaust system is because it increases the amount of increase the flow of gases in the exhaust, this can increase power and performance slightly.