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Amazon.com: Kimsion Dual Port Exhaust Muffler with Gasket Bolt Screws Kit for Stihl 064 065 066 MS640 MS650 MS660 Chainsaws, Replaces 1122 140 0604, 1122 140 0614 : Patio, Lawn & Garden
![Amazon.com: Kimsion Dual Port Exhaust Muffler with Gasket Bolt Screws Kit for Stihl 064 065 066 MS640 MS650 MS660 Chainsaws, Replaces 1122 140 0604, 1122 140 0614 : Patio, Lawn & Garden Amazon.com: Kimsion Dual Port Exhaust Muffler with Gasket Bolt Screws Kit for Stihl 064 065 066 MS640 MS650 MS660 Chainsaws, Replaces 1122 140 0604, 1122 140 0614 : Patio, Lawn & Garden](https://m.media-amazon.com/images/I/71jGRYLUijL._AC_UF350,350_QL80_.jpg)
Amazon.com: Kimsion Dual Port Exhaust Muffler with Gasket Bolt Screws Kit for Stihl 064 065 066 MS640 MS650 MS660 Chainsaws, Replaces 1122 140 0604, 1122 140 0614 : Patio, Lawn & Garden
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porting the 044. what to do with intake and exhaust port | Page 4 | Arborist, Chainsaw & Tree Work Forum
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