Skip the BBQ sauce in the bag. If that’s what you are after, you can do that in a crock pot for $30. Even Kenji Lopez-Alt wrote an article or four on why boiling meat in a bag filled with sauce/marinade/oil via SV yields sub-par results.
The temps and times are good, just pass on the sauce. Pull the meat from the bag, add more rub, then sear it and slice.