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Engineered for increased power and improved engine cooling, this high-performance exhaust system is precision CNC machined from 6061-T6 billet aluminum, a high-strength, aerospace-grade alloy known for excellent heat dissipation and durability. Built for demanding conditions and proudly made in the USA. Compatible Models:
STIHL MS 261 / M
4.9
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Absolutely zero complaints. Fit, finish and performance are as expected, great job again Undaunted. Greatful to see the angled exhaust flow direction over the bar and casing. (Wish the original 400 design had it.)
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Anonymous · October 29, 2026
This exhaust is the perfect part to compliment any saw they sell it for. My MS261 sounds amazing now. Runs awesome, and cuts better. I Highly recommend it.
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Brendan · October 14, 2026
Awsome quality!!!, Great performance!!! But needs T27 bolts for mounting , To match sthil hardware would be nice.