Wagner Tuning Lambda Eliminator / O2 Sensor Spacer (45°) – Mini catalytic converter for error suppression Reliable suppression of catalytic converter error messages (CEL / MIL) after downpipe installation! The Wagner Tuning Lambda Eliminator is a high-quality spacer (45°) with an integrated mini catalytic converter. It serves to deceive the catalytic converter control function in the engine management system (DME / ECU) and prevent the engine control light (MKL) from coming on. Ideal for motorsport vehicles and tuning projects. Product features and your choice for maximum efficiency: Integrated mini catalytic converter: The spacer is equipped with an internal, high-performance mini catalytic converter to realistically simulate the exhaust gas values before the post-catalytic converter sensor. Optimal angle (45°): The 45-degree design ensures ideal positioning of the lambda sensor to maximize the effectiveness of the eliminator. Versatile options: Choose between two specific high-performance variants tailored to your requirements: Option 1 (ceramic): Ceramic mini catalytic converter (600 CPSI) with EU5 coating. Option 2 (metal): Metal mini catalytic converter (300 CPSI) with EU6 coating (usually offers better flow and faster response times). Easy installation: Universally applicable for many vehicles with post-cat lambda sensor. Part number: 600001002.OB Technical background and important information: This product is typically used after installing downpipes without a pre-catalyst or with racing catalysts (e.g., 100/200 CPSI). The eliminator extends the lambda sensor and guides it slightly out of the direct exhaust gas flow, with the integrated mini catalyst correcting the changed exhaust gas values. ! Important: ! Due to the varying sensitivity of each car manufacturer's catalytic converter monitoring system (OEM-specific sensitization), we cannot guarantee 100% that the engine control light (MKL/CEL) will be permanently suppressed in every vehicle. ! IMPORTANT LEGAL INFORMATION (motorsport) ! We offer this item exclusively for motorsport vehicles outside the scope of the StVZO (German Road Traffic Licensing Regulations). By purchasing this item, you confirm that you will NOT use it in a vehicle that is registered for use on public roads. Use within the scope of the StVZO will result in the operating license being revoked.