1. Are they bolt-on, or do they require modification?
Yes, they are 100% Bolt-On. You will have to remove some factory items, but they use all existing bolt holes and we provide security hardware for extra protection.
2. What types of material are the skid plates made from?
12 Gauge 304 Brushed stainless steel. 100% MADE IN USA, Fort Worth, Texas.
3. Will The Catalytic Converter Theft Guard work with any aftermarket or factory skid plates?
They will not interfere with any offroad or factory skid plates. You will have to uninstall the aftermarket transmission skid plate and reinstall it after installing the Catalytic Convertor Theft Guard.
4. What Vehicles will the Catalytic Converter Theft Guard work with?
Fits: 22+ TOYOTA TUNDRA CREW MAX 4X4 AND CREW CAB LONG BED 4X4