| 摘要 |
An exhaust noise reducing device of a vehicle is provided to reduce exhaust booming noise effectively by including glass wool inside a muffler and varying packing density of the glass wool. An exhaust noise reducing device of a vehicle comprises an assistant exhaust gas passage, glass wool(4) and a pressing plate(5). The assistant exhaust gas passage is formed between an exhaust pipe(2) mounted in the middle of muffler housing(1) and forming a main exhaust gas passage, and an inner circumference of the muffler housing. The glass wool is included in the assistant exhaust gas passage. The pressing plate is subject to pressure of exhaust gas flowed into the assistant exhaust gas passage, presses the glass wool, and varies packing density of the glass wool.
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