Genuine STIHL muffler (P/N 4144 140 0603 / 41441400603) designed to fit FS brushcutters (FS 40–70 series) and compatible KM Kombi engines like the KM 56. Durable metal construction ensures proper exhaust flow, effective noise reduction, and a seamless OEM fit for reliable performance.

✅ Exact OEM Replacement – Genuine STIHL part 4144 140 0603 ensures accurate fit, seamless integration, and trusted performance in compatible equipment.
✅ Wide Compatibility – Compatible with FS brushcutter models (FS 40–70, including C-E, R, RC-E variants), as well as HT and KM Kombi engine systems (e.g., KM 56).
✅ Heavy-Duty Metal Construction – Built for endurance in tough outdoor conditions—resistant to heat, vibration, and general wear.
✅ Enhances Engine Efficiency – Controls exhaust back-pressure for smoother idling, steady power delivery, and cleaner engine performance.
✅ Straightforward OEM Installation – Designed for direct bolt-on replacement; no modifications needed—just swap and go.
✅ Effective Sound Reduction – Helps suppress engine noise for more comfortable and quieter brushcutting sessions.