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We've helped protect thousands of fleet vehicles from catalytic converter theft. Apply today for access to special fleet volume discounts or contact us if you don't see a Cat Shield for your vehicle. Email fleets@millercat.com or call (214) 501-0152.

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Blog posts

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Signs of a Failing Catalytic Converter: 7 Warnings

Seven warning signs your catalytic converter may be failing or underperforming, what each one points to, and what to ask your technician before you replace it.

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F-150 Theft Protection: Converters and Taillights

A practical guide for F-150 owners on two parts of the truck worth protecting, the catalytic converter and the taillights, and the Miller CAT products built for each.

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Catalytic Converter Theft in Fall 2026: What to Do Now

Catalytic converter theft is still making headlines in October 2026. Here is what is driving it, why trucks and SUVs are targeted, and the steps you can take now.

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