The product is a complete OEM 2000-2004 Subaru Outback Legacy air intake filter box duct designed for a 2.5L engine. It is a black plastic housing that serves as a direct replacement for the original part. Made by Subaru, this air filter housing is specific to the 2000-2004 Legacy model, ensuring a perfect fit for the vehicle. The product does not have any core charge associated with it and is not a performance or custom part, making it a reliable option for those looking to replace their current air intake filter box duct. Includes bolts and brackets for air box. OEM!