I have these mufflers in Silver or Black

These are upgraded dual port mufflers that give more performance, due to more air flow.

Amazing bolt on power! Feel free to ask questions.

Deflector, and stainless steel screen mesh have been riveted on. Ready for installation on your saw.

Parts Name: Exhaust Muffler

Fits: Stihl MS251 MS231 Chainsaw

Replace OEM: 1143 140 0661