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Stacks of stolen catalytic converters recovered in California theft bust

2026 U.S. City Risk Ranking

Massive Catalytic Converter Theft in California

Learn what drivers should know and how to protect a vehicle.

Ram 1500 pickup truck with ADD A CAT catalytic converter shield installed for theft protection

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Ram 1500 Catalytic Converter Shield: The Ultimate Buyer's Guide (2026)

Ram 1500 Catalytic Converter Shield: The Ultimate Buyer's Guide (2026) ADD Automotive engineered the ADD A CAT® system specifically to help deter catalytic converter theft.

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**Click here to watch:** **Truck U (Season 19 Episode 6) "Matt Knows Tundra" Featuring Bruno Massel and Matt Steele**

**Click here to watch:** **Two Guys Garage (Season 22 Episode 9) "RAM 1500 Re-Style" Featuring Kevin Byrd & Willie B**

ADD Automotive/ Add a cat

Catalytic Converter Shields for Toyota, Lexus, Ford, Dodge/Ram, Chevrolet, GMC, Isuzu

Here at ADD Automotive, we’ve been in the automotive catalytic converter shield business for the last 4 years. We manufacture and sell corrosion-resistant, durable Catalytic Converter Shields ADD Automotive. Our fully custom-designed product will not void your vehicle’s warranty and does not require any parts modification for installation. We also provide fully custom, American-made, proprietary security bolt fasteners when you purchase a shield. It also functions as a skid plate for your vehicle.

These are available in certain models of Toyota, Lexus, Ford, Chevy, Ram, GMC, and Isuzu. They are made of a high-grade aluminum that works to both dissipate heat and resist corrosion. The shield can end up paying for itself in the long term, as it can get you a discount on your monthly car insurance rate. In 5 years of business, no thief has been able to get through our shields to steal our customer’s converter.

You can order online or call ADD Automotive for a quote at 281-608-2894. We can send them to you anywhere in the United States. Installing the shield should take you less than 30 minutes. Just place the adhesive rubber bumper in a suitable location and tighten the security bolts.

You can stop in to have them installed at our Kingwood, Texas location any day from 7:30 a.m. to 5 p.m. or at our Downtown Houston location Monday to Friday from 8 a.m. to 2 p.m. Please make an appointment before visiting either location.

Insurance Discounts

Did you realize that once you purchase a shield and get it installed you can take your receipt of your purchase to your insurance company and receive a discount on your auto insurance? Make sure to tell the insurance company you now have a shield protecting your converters and they will give you that discount.

Call for a Quote

We offer protectors for many models from 2003 to 2025. Contact us today at 281-608-2894 to get a quote.

Free shipping

Free United States shipping