This product is a genuine OEM mass air flow sensor specifically designed for the 2010-2012 Lexus RX350. The sensor is a direct replacement part that is placed in the engine compartment of the vehicle. It is not a vintage part or a performance part, but rather a reliable component to ensure accurate measurement of the air flow for the transmission and drivetrain system. With the brand being OEM, you can trust that this sensor is of high quality and designed to meet the specific needs of the Lexus RX350.