Posted on 1/7/2026

Over the last several years, catalytic converters have become a hot topic—between emissions regulations, rising repair costs, and increased theft. But what exactly is a catalytic converter, and why is it so important to your vehicle? What Is a Catalytic Converter? A catalytic converter is a critical part of your vehicle’s exhaust system, located between the engine and the muffler. Its job is to reduce harmful emissions by converting toxic gases produced during combustion—such as carbon monoxide, hydrocarbons, and nitrogen oxides—into less harmful gases before they exit the tailpipe. While a vehicle can technically run without a catalytic converter, driving without one is strongly discouraged. In most states, it is illegal and can result in: Increased air pollution A much louder exhaust A triggered check engine light Possible damage to other exhaust components Fai ... read more