Among the different systems that make up a vehicle's engine, which one does the catalytic converter belong to?

Correct answer

Exhaust system.

The catalyst, or catalytic converter, has become an essential element for treating the harmful gases that leave a vehicle through the exhaust pipe. The catalytic converter's role is to reduce the polluting elements contained in a vehicle's exhaust gases through the technique of catalysis, and it forms part of the exhaust system, positioned between the exhaust pipe and the manifold.