@vehiclesexplained on Instagram: "A catalytic converter is a key part of a car’s exhaust system that helps reduce harmful pollution before it leaves the tailpipe. When the engine burns fuel, it produces gases like carbon monoxide, nitrogen oxides, and unburned hydrocarbons, all of which are dangerous to people and the environment. The catalytic converter contains precious metals such as platinum, palladium, and rhodium that act as catalysts—meaning they speed up chemical reactions without being