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Old 02-11-2013, 06:48 PM   #7
On the road to being a farker
Join Date: 12-02-11
Location: chicago, illinois

I don't know that 2" is the optimum exhaust diameter. Weber uses 4 - 3/4" that equates to an area of 7" on the 22" wsm and is fully capable of smoking hot and fast. A 2" exhaust has an area of well over 12 square inches which I believe without any damper control is overkill for the UDS.
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