Extension Filter Stainless Steel Remove Fault Connector M18 X1.5 Oxygen Sensor Extension Spacer O2 Sensor Spacer Car Accessories Feature:1. Built-In Mini Catalytic Converter: The O2 sensor adapter fitting comes with a built-in mini catalytic converter that helps to eliminate issues such as engine light errors when changing exhaust systems or removing catalytic converters.2. Reliable and Effective: Unlike similar products on the market, this oxygen sensor adapter actually works due to its integrated mini catalytic converter, providing reliable and effective performance.3. Fool-Proof Design: The small cat design of the O2 sensor extender allows the ECU to believe that the catalytic converter is still installed, even when it has been removed, resulting in increased temperature and fuel flow.4. Easy Installation: This O2 sensor connector is easy to install and can be used on most vehicles without the need for any additional tools or equipment.5. Cost-Effective Solution: The oxygen sensor extension spacer offers a cost-effective solution to common issues related to catalytic converter removal or exhaust system modification, saving customers time and money. The features make it perfect for anyone looking for a reliable and efficient solution to common issues related to catalytic converter removal or exhaust system modification. With its fool-proof design and integrated mini catalytic converter, this extension filter provides a simple and hassle-free way to eliminate engine light errors and other issues that may arise during these modifications. Specification: Origin: Mainland China Sensor Type: Magnetic Induction Type: Non Heating Type Colour: SilverMaterial: Stainless SteelSize: 46.5 x 17 x 17mm/1.8 x 0.7 x 0.7inchMale thread: M18*1.5Inner thread: M18*1.5, length: 46.5mm/1.8inchNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank youPlease allow 1-2cm measuring deviation due to manual measurement. 1 xO2 Sensor Adapter Fitting