How can I protect my car from catalytic converter theft?

With the increasing theft of catalytic converters from parked cars, is there really anything the average motorist can do to protect their vehicle?
Catalytic converter thefts are becoming more and more common. The advice from police is to mark catalytic converters with a serial number to make them distinctive, install CCTV and alarms where possible and to park vehicles so as to prevent access underneath. This means parking your car in a well-lit and well-populated area if possible and to park close to fences, walls or a kerb with the exhaust being closest to the fence, wall or kerb to make the theft more difficult. If your catalytic converter is bolted on, you can also ask for your local garage to weld the bolts to make it more difficult to remove.

You can purchase a ‘cage clamp’ too, which is a cage device that locks in around the converter to make it more difficult to remove. Toyota has its own device, called a Catloc. The Catloc has over 45 bespoke fitments, so the device should fit quite a few models. Here's the website:
Answered by Georgia Petrie on

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