Authentic STIHL muffler (P/N 4148 140 0600 / 41481400600), engineered for FS490–FS560 C-EM, FS510 C-EM, and FS561 C-EM clearing saws. Rugged metal construction delivers proper exhaust flow, reduces noise, and guarantees OEM fit for professional durability.

✅ Exact OEM Replacement – Genuine STIHL part 4148 140 0600 ensures precise fit and consistent performance.
✅ Extensive Model Coverage – Fits FS490 C-EM, FS491 C-EM, FS510 C-EM, FS560 C-EM, and FS561 C-EM clearing saws.
✅ Heavy-Duty Metal Construction – Built to handle extreme heat, constant vibration, and demanding professional use.
✅ Optimizes Engine Performance – Maintains correct exhaust back-pressure for smoother idle, steady power, and clean emissions.
✅ Quick OEM-Style Installation – Direct bolt-on fit using factory mounting points, no modifications required.
✅ Improves User Comfort – Provides strong noise reduction for quieter, more comfortable operation.