ITEM NAME:Check Engine Light O2 Sensor CEL Eliminator Adapter Spacer Catalytic Conver E2Q5 ☆★ Product Details ★☆ Check Engine Light O2 Sensor CEL Eliminator Adapter Spacer Catalytic Conver E2Q5 Built-in M18X1.5 catalytic converter, helps to get rid of checking engine lights General model is suitable for most automobiles Built in micro-type catalytic converter, avoid checking engine lights after modifing exhaustor or removing catalytic converter Don't risk using extensions because they usually don't work. This is a real mini catalytic converter Make ECU think an inventory catalytic converter is still installed, after removing the catalytic converter, it will see higher temperatures and greater unburned fuel flow size: 6 * 2.5 * 2.5cm Material:304 stainless steel colour:Silver Package Contents: 1 * O2 Sensor