An integrated structural system for a vehicle is provided. The integrated structural system having a molded duct system configured to guide airflow, the molded duct system having a first section and a second section, the molded duct system configured to provide a supporting surface; and a metal structure, the metal structure integrated with the molded duct system by a means for integrating the metal structure with the molded duct system forming an integrated structural load path assembly, the integrated structural load path assembly being configured as a load bearing area to distribute a load on the supporting surface over the integrated structural load path assembly, wherein the means for integrating the metal structure with the molded duct system includes one of sonic welding, heat staking, insert molding, and gluing.