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Black Toyota Tundra with ADD A CAT catalytic converter shield installed underneath for theft protection

Your Toyota Tundra Deserves Better Than an Easy Target

You didn’t buy a Toyota Tundra to blend in. You bought it because it’s powerful, dependable, and built to handle whatever you put in front of it. But its ground clearance can also give catalytic co...

Ram 1500 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.

add automotive feautred on Motortrend tv

**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 4 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