NWP Muffler Assembly for 064, 066, MS640, MS650, MS660 Chainsaws

Replacement muffler assembly from NWP. These mufflers are an economical 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. Comes complete with front baffle for heat dissipation and a spark arrester screens.