Originally Posted by Sam Strano

And now you know why I don't make, or use, or recommend HUGE rear swaybars, and certainly not without a massive front. You used a solid 25mm bar set full stiff. I make a hollow 25mm rear bar (very think walled) that's 3 way adjustable.

Bottom line, I don't know how you came to choose that bar or one like it, but I could have saved you some trouble. If you want some help