Cat Defender™ features

Light Weight Construction

Heat Ventilation/ EO Number Visibility

Heat Ventilation/ EO Number Visibility

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Utilizing Aluminum plating we are able to cover all of your catalytic converter assembly and oxygen sensor while minimizing additional weight.

Heat Ventilation/ EO Number Visibility

Heat Ventilation/ EO Number Visibility

Heat Ventilation/ EO Number Visibility

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Our large hexagon vents provide ample cooling of the exhaust system while allowing SMOG technicians to view your EO number to pass emissions testing.

Oxygen Sensor Protection

Heat Ventilation/ EO Number Visibility

Oxygen Sensor Protection

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By designing the Cat Defender™ plate  to cover the oxygen sensor, we help eliminate the option for an easy "snip" of the wire.

Two Piece Construction

Improved Under-body Aerodynamics

Oxygen Sensor Protection

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By using a 2 piece construction on the third generation Prius, we help protect the exhaust pipe in the rear from being cut and making it even more difficult to try to remove the catalytic converter assembly. 

Anti-Corrosion Materials

Improved Under-body Aerodynamics

Improved Under-body Aerodynamics

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By using aluminum and stainless steel hardware and plating, we prevent any rusting of the Cat Defender™ components.

Improved Under-body Aerodynamics

Improved Under-body Aerodynamics

Improved Under-body Aerodynamics

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Our products are not only designed to prevent catalytic converter theft, but they also help improve underbody aerodynamics. This can help your vehicle achieve better fuel mileage.