The product is a used OEM lower intake manifold for a 2004-2008 Mazda RX-8 1.3L. It is specifically designed for the Mazda RX8 model and is interchangeably labeled as 329-59838. The manifold is a genuine Mazda part and has a placement on the vehicle as lower. This specific intake manifold is suitable for a 2007 model year Mazda RX8.