Dual port muffler for Husqvarna 365 371 372XP OE 372XP XT 385XP 390XP. Also fits many Jonsered and Holzfforma chainsaw models. This has not changed in nearly 7 years of production. If you're tired of cutting with a big 385XP or 390XP that is disappointingly slow, this may be the answer you've been looking for.
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