| 摘要 |
PROBLEM TO BE SOLVED: To prevent an engine from being stopped by temporarily increasing the height of a muffler exhaust port from the ground when a car must pass a road flooded due to flood disaster to prevent water from entering through the exhaust port. SOLUTION: This extension hose of the car muffler comprises a connection part 1 to the exhaust port, a tightening band 2, a heat resisting flexible hose 3, a sucker 4, and the exhaust port 5.
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