| 摘要 |
Provided is a muffler cutter having excellent heat-insulating and sound-damping properties, and capable of improving the quality of the exhaust sound. This muffler cutter (1), which is mounted on a tail pipe in a vehicle exhaust system, is characterized by being equipped with an exhaust pipe (2) in the side wall of which multiple through-holes are provided, a cylindrical heat shield plate (3) provided on the outside of and coaxial with the exhaust pipe, and a sound-absorbent, heat-insulating material (4) arranged in the interval between the exhaust pipe and the cylindrical heat shield plate, with the sound-absorbent, heat-insulating material filling only a portion of the interval between the exhaust pipe and the cylindrical heat shield plate in a curved shape, and a curved closed space (S) being formed in the other portion of the interval between the exhaust pipe and the cylindrical heat shield plate, and the distance between the exhaust pipe and the cylindrical heat shield plate forming the closed space being 1-50 mm. |
