Stihl Muffler Assembly (Dual Port) for 066, MS 650, 660 Chainsaws

Replacement muffler assembly from Stihl. These mufflers are a high quality replacement option for your chainsaw. Mufflers take a beating over time, and sooner or later you will need to replace it. Whether it is rusted out, dented in, or you want to do your own woods port, Bailey's is your source. This muffler has two exhaust ports (dual ports), which will give your chainsaw increased performance over a single port design.