New West muffler for Stihl MS311 MS391 open hollow design

Description Brand new muffler, fits Stihl chainsaw models MS311 MS391.   Completely hollow design, no baffles, no spark screens.     Great quality part made by New West Products with 1 year guarantee against defects.   Wolf Creek Saw Shop is a proud U.S. seller, we ship within 1 business day of receiving payment, and you will get your parts quickly!