Air intake assembly for vehicle engine and method of manufacturing same

The upper and lower edges of a reinforcement (12) are fixed to hood ledges (1) and disposed between the hood ledges (1) and fenders (7). The hood ledges (1) and reinforcement (12) form a substantially rectangular parallelopiped space. An intake air duct (6) is fixed to the hood ledges (1). The opening of the intake air duct connects the interior of the intake air duct (6) to the substantially rectangular parallelopiped-shaped space. An opening which forms an air intake port (15), is formed in a part opposite the opening of the intake air duct (6) of the reinforcement (12).