
ADD AUTOMOTIVE/ ADD A CAT
2007-2021 Tundra Cat Shield Hardware/ ADD A CAT
2007-2021 Tundra Cat Shield Hardware
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For lost or replacements for the 2007-2021 Tundra Hardware Kits for the ADD A CAT Catalytic Converter Shields.

ADD A CAT 2007–2021 Toyota Tundra Hardware Kit
The ADD A CAT hardware kit is replacement installation hardware designed for compatible ADD A CAT catalytic converter shields made for 2007–2021 Toyota Tundra trucks. It provides the specialized components needed to securely mount and service the shield.
Materials
The kit contains durable metal hardware intended for automotive underbody use. Contact ADD Automotive for the exact metal composition, strength grade, coating and finish of each component.
Dimensions
Hardware sizes, bolt lengths and bracket dimensions are selected for the compatible 2007–2021 Toyota Tundra ADD A CAT shield application. Verify your truck’s model year, configuration and shield model before ordering.
Features
- Designed for 2007–2021 Toyota Tundra applications
- Made for compatible ADD A CAT catalytic converter shields
- Proprietary tamper-resistant security hardware
- Matching ADD Automotive security bit
- Helps prevent shield removal with common tools
- Supports a secure, bolt-on installation
- No drilling required when used with the correct shield and approved factory mounting points
- Convenient replacement for missing, damaged or previously used hardware
Use Cases
Use this kit when installing a compatible ADD A CAT shield or replacing lost, damaged, worn or removed mounting hardware on a 2007–2021 Toyota Tundra. It is also useful when the original security bit is no longer available.
Included
The kit includes the applicable security bolts, mounting hardware and matching ADD Automotive security bit required for the specified shield application. Brackets, washers, spacers and hardware quantities are also included.
Care
Follow the installation instructions for the specific Tundra shield. Inspect the shield and hardware during routine vehicle maintenance, and confirm that all fasteners remain properly tightened. Use only the supplied ADD Automotive security bit for installation or removal. Store the bit in a secure location for future servicing.
Enhanced Security with Patented Bolt
The 2007-2021 Tundra Cat Shield Hardware features advanced technology with (5) 3/8 patented security bolts. These bolts are designed to provide maximum protection against thieves, ensuring your catalytic converter stays safely attached to your vehicle. The unique design makes it extremely difficult for would-be criminals to remove them without the specialized tools, so you can enjoy peace of mind knowing your Tundra is safeguarded.
Comprehensive Bracket Support
In addition to the patented security bolts, the hardware kit includes 5 sturdy 3/8 brackets. These brackets play a crucial role in securing the catalytic converter shield in place. Their robust construction and design allow for better distribution of stress and weight, further enhancing the durability of the shield. This means that your vehicle’s undercarriage is well-protected under various conditions, so you won’t have to worry about premature wear or damage.
All-in-One Installation Kit
The 2007-2021 Tundra Catalytic Converter Shield Hardware also comes complete with a patented security bit and 5 washers, which are essential for installation. This all-in-one kit makes it easy to set up, ensuring that you have everything you need at your fingertips. Because the installation components are designed specifically for your Tundra, it simplifies the process and helps you secure your vehicle quickly and effectively.


