| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a muffler for a vehicle which can reduce time and effort for manufacturing, and can sufficiently reduce a back pressure.SOLUTION: A plurality of pairs of a tubular connection part 21 with a relatively small diameter and a spherical expansion chamber 22 with a relatively large diameter are formed in a longitudinal direction of an exhaust pipe. The outer side of the whole circumference of an exhaust pipe part 2 having the spherical expansion chambers 22 and the tubular connection parts 21 is covered by a housing 1, glass wool 6 is filled in a space between the exhaust pipe part 2 and the housing 1, and a plurality of through holes 23 are formed on a pipe wall of the exhaust pipe part 2.</p> |
