It's been years since I flowed any of those things, but to the best of my recollection.... They were about 920-930cfm.
The annular boosters were 20-25cfm less.
I had also bought some of the largest sleeves..... I think they might have been 1.590(?).... Silver color iirc...... And they didn't increase the flow at all.
yep them silver ones just didn't cut it on my combo. The black just seemed to make everything work better. didnt run any slower.
