Catalytic converters are crucial for reducing harmful emissions, but they can fail due to wear, engine issues, or poor-quality replacements. Driving without one may be possible, but it risks legal ...

We may receive a commission on purchases made from links. The catalytic converter is a non-serviceable part that can last well beyond 100,000 miles; or, in some cases, the entire life of the vehicle, ...

Cars making loud noises are never a good sign and are a particular hassle when the cause of the noise is a missing catalytic converter. Catalytic converters are regularly targeted car parts, sometimes ...

All modern internal combustion engines have a catalytic converter, which is a part of the emission system of a car. The catalytic converter essentially prevents harmful gasses from entering into the ...

Thanks to the Clean Air Act of 1970, all cars sold in the US after 1975 must have catalytic converters (cats) installed on them. That means that if you drive a relatively modern car, it should have ...

This article was updated in November 2025. The words "catalytic converter theft" are enough to make anyone wince. Not only is it annoying, it's an expensive fix. The fact that a thief can slide under ...

Compare plans tailored to your car & budget. Catalytic converter replacement is a cost most car owners hope to avoid. Unfortunately, theft of this important car part has been more common in recent ...