1. Check Engine Light: The O2 oxygen sensor extender features an M18X1.5 mini catalytic converter, effectively removing the check engine light caused by aftermarket exhaust modifications or catalytic converter removal, ensuring a smoother driving experience. 2. Material: Made from high-quality stainless steel, the extension catalytic converter is built to last, offering strength and without cracking, even under prolonged use. 3. Remove Check Engine Light: This oxygen sensor spacer includes a built-in catalytic converter, helping to the annoying check engine light and maintain optimal engine performance. 4. Address Over-Sensitive O2 Sensors: If your O2 sensor is overly sensitive, the thread M18x1.5 adapter can prevent the CEL from lighting up by using an oxygen sensor spacer, ensuring your vehicle runs smoothly. 5. Easy Installation: The car oxygen sensor adapter extender bolts directly on without modifications, making installation quick and convenient. Its compact and design ensures it doesn't take up much space, making your daily driving more efficient and hassle-free. Type: 45 degrees Thread: M18x1.5 Applicable models: Universal, vehicles with M18X1.5 thread Color: Silver Material: Metal Package Contents: 1 x Oxygen sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.