EXHAUST DEVICE

摘要

An exhaust device equipped with an exhaust pipe and an inner-surface protruding part. The exhaust pipe has an exhaust flow path, and a location along the vertical direction in the exhaust flow path rises toward the downstream direction of the exhaust flow path. At least one inner-surface protruding part is provided on the inner surface of the exhaust pipe, and protrudes farther toward the inside of the exhaust pipe than the inner surface of the exhaust pipe.