The Cat Security Product line is pleased to offer the ULITMATE in catalytic converter theft protection. Our custom 3 piece kit is the most advanced kit money can buy. This Precision laser cut aluminum shield kit is designed specifically for the 2004-2009 Toyota Prius. Our customers have been experiencing a high volume of theft of their catalytic converters and with no viable protection solution, we decided to set to work designing the best product possible. Please read the following for more details and benefits offered by our Cat Security Cat Shield: Includes Instructions, Hardware and Three Window Stickers No welding required Aluminum plating provides a strong barrier to prevent thieves from accessing the entire catalytic converter assembly as well as the O2 sensor. Stainless steel front and rear reinforcement with stainless security hardware. Corrosion-resistant Made from aluminum and stainless steel. It is lighter and stronger than all other converter security types Includes security fasteners (prevents removal) Improved underbody aerodynamics (may help improve fuel mileage) Professional installation is recommended Strategically placed ventilation to provide airflow for the rear catalytic converter Our Precision laser cut shields are identical in finish and size, which means they fit perfectly every time. Don't settle for anything less than the best in catalytic converter protection *See Policy for returns