| 摘要 |
A muffler (10) includes an outer shell (13) defining a chamber (31) and a pair of inner plates (16, 18) positioned in the chamber (31). Each inner plate (16, 18) includes first and second folds partioning each of the inner plates into a base portion, a first baffle portion, and a second baffle portion. The base portions cooperate to define a first baffle (125). The first baffle portions cooperate to define a second baffle (162) and the second baffle portions cooperates to define a third baffle (124). The first, second and third baffles partition the chamber defined by the outer shell (13) into subchambers. The first baffle (125) includes a tube and each of the second and third baffles include a tube-receiving aperture sized to receive the tube of the first baffle.
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