| 摘要 |
PURPOSE: An exhaust port is provided to increase the output by preventing an overlap, to increase the durability and to have the excellent interchangeability by forming a firm structure and to prevent the deposition of foreign substances inside a muffler by quickening the external air flow. CONSTITUTION: A horn(30) to be expanded toward an advancing direction of a vehicle is formed in a muffler(10). An extended pipe(32) is extended from the horn to the end of a tail pipe(20) in the back of the muffler. Plural supports(34) to fix the extended pipe are formed inside the tail pipe. Thereby, foreign substances are discharged through the extended pipe.
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