Miller CAT Anti‑Theft Cat Shield – Fits Chevrolet City Express 2019+ | Ultimate Protection
Your Chevrolet Silverado is built for hard work and reliability, but it's also a top target for catalytic converter thieves. The high value of its four converters makes it a lucrative prize, leaving you with a disabled truck and a repair bill that can run into the thousands.
The MillerCat Chevrolet Silverado 1500 2019+ Cat Shield is the ultimate safeguard, providing an impenetrable defense so you can park your truck anywhere, worry-free.
Thieves thrive on speed and easy access. The MillerCat Shield is engineered to deny them both. By installing a robust, multi-piece aluminum barrier secured with tamper-resistant fasteners, you transform your truck's vulnerable underbelly into a high-security zone.
This turns a simple theft into a loud, difficult, and risky endeavor, effectively forcing criminals to abandon the attempt and search for an unprotected vehicle.
Industry Recognized: SEMA Award-Winning Design & Engineering
Key Benefits of the MillerCat System
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Precision Fitment Through 3D Scanning
How to get the best catalytic converter protection for a 2019+ Silverado? Use a shield made for it. We digitally scan the exact underbody of the Silverado to create a shield that offers a perfect, rattle-free fit and maximum protective coverage.
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Protects Without Trapping Heat
A solid, unvented plate can cause your transmission and exhaust components to overheat. Our shield integrates carefully engineered louvers that promote essential airflow, ensuring your truck operates safely within factory temperature ranges.
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A Smart, Proactive Investment
The cost to replace four converters on a Silverado can be staggering. The MillerCat shield is a one-time purchase that provides permanent protection, saving you from thousands in potential repair costs and the immense stress of dealing with theft.
Technical Specifications
| Vehicle Fitment |
2019+ Chevrolet Silverado 1500 |
| Material |
High-Strength 5052 Aluminum |
| Hardware |
Proprietary Tamper-Resistant Screw Kit |
| Included Tools |
One (1) Security Screw Driver Bit |
| Installation |
100% Bolt-On (No Drilling Required) |
| Country of Origin |
Made in the USA |
Frequently Asked Questions
+ Does this shield fit different cab and bed configurations?
Yes. The shield mounts to the main frame of the truck, which is consistent across the various cab (Crew Cab, Double Cab) and bed lengths. It is designed to fit all 2019+ Silverado 1500 models.
+ Will this affect my ability to get my truck serviced?
No, the shield is designed to be service-friendly. It does not obstruct access to the engine oil drain plug, filter, or transmission pan. Your dealership or local mechanic can perform all routine maintenance without needing to remove the shield.
+ Does the shield make any noise while driving?
No. Thanks to our precision 3D scanning and manufacturing process, the shield fits perfectly against the vehicle's frame. When installed correctly, it is completely silent and free of any rattles or vibrations.
+ What happens if I need to remove the shield for a repair?
Removal is straightforward using the special security bit that is included with your purchase. Simply keep the bit in a safe place, like your glove box, so your mechanic can easily remove and reinstall the shield if major transmission or exhaust work is required.
+ Is this shield compatible with the Trail Boss or other off-road packages?
Yes. The shield is compatible with factory off-road packages like the Trail Boss. It mounts to the main frame, which is not altered by these packages. However, it may not be compatible with certain aftermarket drop-bracket style lift kits that change the frame's crossmember geometry.
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