Genuine STIHL 1144 140 0601 Muffler Assembly – Fits MS 661 Chainsaw

The Genuine STIHL 1144 140 0601 Muffler Assembly is the original OEM exhaust fitted to the STIHL MS 661 professional chainsaw. Designed to withstand the extreme temperatures generated by the high-performance 91.1 cc engine, this muffler provides the correct exhaust back pressure for optimum engine performance while reducing operating noise and safely directing exhaust gases away from the operator.

Model Fitment

• Fits the following STIHL model:
• STIHL MS 661 Chainsaw