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How do I know if my cars catalytic converter is stolen?

If you suspect your car's catalytic converter has been stolen, there are several telltale signs to look for. The catalytic converter is a critical component of a vehicle's exhaust system, and its theft can have serious consequences. This article will guide you through the steps to identify if your catalytic converter has been stolen and what to do next.


Signs Your Catalytic Converter Has Been Stolen


The most obvious sign that your catalytic converter has been stolen is the loud, rumbling noise your car makes when you start it up. Without the catalytic converter, the exhaust system will be much louder than normal. You may also notice a significant decrease in your vehicle's fuel efficiency and performance.


Another clear indication is if you see the space under your car where the catalytic converter was mounted is now empty. The thieves will have cut through the metal pipes to remove the converter.


Why Are Catalytic Converters Targeted by Thieves?


Catalytic converters contain valuable precious metals like platinum, palladium, and rhodium, which can be sold for a profit by thieves. These metals are used in the converter to help reduce harmful emissions from the vehicle's exhaust. Thieves can quickly remove a catalytic converter and sell it to scrap yards or recyclers, making it a lucrative target for theft.


What to Do if Your Catalytic Converter is Stolen



  • Contact the police to report the theft and file a report.

  • Bring your vehicle to a mechanic to have the catalytic converter replaced. This can be an expensive repair, often costing $1,000 or more.

  • Consider installing a catalytic converter protection device, such as a shield or cage, to deter future theft attempts.

  • Park your vehicle in a secure, well-lit area when possible to make it less of a target.


Catalytic converter theft is an unfortunate and growing problem, but being aware of the signs can help you quickly identify if your vehicle has been targeted. Taking proactive steps to protect your car can help prevent this costly crime.

Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.