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Or you could run them stock which is suitable for 99.9% of the population that don't primarily run a saw for a living.
So hearing all what you guys are saying about porting, do you thing that this would be something that is worth doing to my 2171?
Someone once posted some guidelines about the area of the muffler exhaust port as compared to the exhaust port area coming from the saw. I can't remember what they said, but perhaps one of our resident saw gurus could give us an idea...John Mc
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