I wish I/we had obvious yes or no advice for you. It's not black or white...
You may have said it for "my" decision above, but then I'm not making the decision.
You said "have it dialed in". If so, then I'm thinking you may be wasting your money
and possibly making a good smoker not-as-good.
Hance - Lake Dogs Cooking Team - MiM/MBN/GBA CBJ and comp cook
Lake Sinclair, GA (strategically about an hour from everywhere)