Description:-Fitments: M18X1.5 O2 Sensor Universal Exhaust Pipe-Material:304 Stainless Steel-Color:Chrome,Show as Picture-Strong, reliable, and easy to weld or screw using threads-They are also used to lean out your vehicle for better gas mileage.-They are very easy to install by unscrewing your o2 sensor from your exhaust then screw -your sensor into the extenderPackage include:2× Oxygen Sensor Adapter