This air intake coupler reducer is designed to connect 3" or 2.5" tubes or components to a 3" air intake. It is made of durable PVC material and comes with 2 clamps and a worm gear for easy installation. This performance part is suitable for use on the left, front, and right sides of the vehicle. It comes with a 90-day warranty and is manufactured in China. Please read the full description for more information.