Order Volkswagen Passat Universal Catalytic Converters. Get Volkswagen Passat Exhaust Gas Catalytic Converter & Volkswagen Passat Catalytic Converter. Maintaining your Volkswagen Passat's universal catalytic converter is crucial for a clean-running engine and compliance with emissions regulations. To extend its lifespan, regular check-ups are essential, coupled with immediate attention to warning signs such as reduced engine performance, increased fuel consumption, or a sulfur-like smell—indicating it's time for a replacement. When selecting a new converter, consider the two main types: two-way and three-way, each designed to address specific emission control requirements. Opt for high-quality materials like stainless steel to ensure durability and ease of installation. Our premium universal catalytic converters are engineered for compatibility and efficiency, providing you with the confidence of a wise investment and the peace of mind of an eco-friendly vehicle.