Originally Posted by Carbon
I think the bottom line is most any reasonably sized exhaust, whether adjustable or not, will work well with the UDS.
To the OP. No two UDS's are the same. Keep cooking u.til you figure out how yours work. You will find that after about six cooks it will stabilize a lot more.
Lastly, I like a bigger exhaust, but its just a preference. I find I have more flexability and my food taste better.