A composite discharge spout portion for a discharge spout for a forage harvester defines at least a portion of a path for crop materials. The spout portion may include a proximal end, a distal end, an upper wall and a pair of side walls extending between the proximal end and distal end. The side walls depend from the upper wall, and the top and side walls have opposite major faces and edges. At least one of the top and side walls may comprise a celled structure forming a core of the wall and an outer skin over the cells of the celled structure to form the major faces of the wall. The skin comprises a plastic.