Abstract: A solid barrier, sound partition and privacy fence system including a plurality of interconnected fence panels whose ends are adapted to fit to pre-existing fence posts. The ends of the fence panels include attachment structure for releasably securing adjacent fence panels to one another around an existing fence post. The privacy fence system provides for installing a privacy fence that reuses existing cement anchored fence posts. The attachment structure may comprise either an interlocking fastening device or a threaded fastening device. The privacy fence may also include an optional fence post cap that is attached to the top portion of the existing poles. Each fence panel is constructed of a lightweight, one piece, molded material.