Could be muffler has hole or crack in it.

来源: 小心翼翼的小地主 于 2012-12-12 08:33:35 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (0 bytes)
回答: muffler fell off? 由 noconfusion 于 2012-12-12 07:56:41
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