thinking about getting a a frame popup made by forest river flagstaff just wondering if I would need a weight distribution system for this type of popup, according to the sale person dry weight 2700 l...
I doubt it very much that you'll need a weight distribution hitch. I've seen several A-Liners in campgrounds and none were being towed with any WD.
Check the total weight you'll be towing. In some states, you might not even need brakes on the trailer. In Indiana if the total weight of the trailer is under 3000 pounds, brakes are not required at all. Some lightweight utility trailers and pop-ups don't even come with brakes on them in Indiana.