Product Description for Universal Stainless Steel M18 O2 Sensor Extender Spacer Enhance your vehicle's performance with our Universal Stainless Steel M18 O2 Sensor Extender Spacer, designed to improve exhaust system efficiency and protect your engine. This extender spacer is an essential tool for any car enthusiast or mechanic looking to optimize vehicle functionality. Discover the features that make this product indispensable for your car maintenance needs: Premium Stainless Steel Construction: Made from high-quality stainless steel, this sensor extender offers exceptional durability and resistance to corrosion. Its robust construction ensures long-lasting performance, even in extreme conditions. Precision Engineering: The extender features polished front surfaces that enable perfect tightening, ensuring a secure fit with minimal effort. Threads are crafted using dedicated tools for perfect accuracy and repeatability, providing a precise and reliable connection every time. Easy Installation: Designed for simple installation, this extender allows you to easily unscrew the existing lambda oxygen sensor, screw in the emulator, and then reinstall the oxygen sensor. This straightforward process makes it an ideal choice for both professionals and DIY enthusiasts. Versatile Compatibility: With internal and external threads of M18 x 1.5 and an outer contour featuring a hexagonal TURN-KEY 27 design, this extender is compatible with a wide range of vehicles, making it a versatile addition to any toolkit. Engine Protection: The extender includes a 3 mm exhaust gas inlet hole, which can narrow in extreme situations to prevent motor failure during high-speed driving. This feature ensures your engine remains protected and operates efficiently. Quality Assurance: Manufactured by a professional company, this sensor extender comes with guaranteed quality assurance. You can trust its performance and reliability, backed by expert craftsman