Mini Pipe Chainsaw Exhaust Muffler for Stihl ms661 ms 661 661c ms661c cm

My personal custom mini pipe muffler design for Stihl ms661 chainsaws. I will be dynoing this within the next 2 weeks. Right now I do not know the exact performance gains. The muffler is made from 20g mild steel.

Comes with a new gasket. Unique tuned pipe style design with cones and tapers. If you are a professional welder or would like to weld up your own, then please make an offer for just the pieces and I will send you everything that you need to fab one up.

(See the last picture in the listing). I have these in different sizes for different cc size saw engines. Feel free to ask questions.

This one here is suitable for the ms661. No chainsaw included in the listing. This is for a mini pipe muffler and new gasket.

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