I didn't remove front bump stops as they probably help me from hitting the inner tubs hard. Just minor rubbing on front inner tubs. Rear axle is hitting pancake bump stops on frame rails. Factory frame bump stops and brackets I removed. There's only about 2" of travel there, and my truck is a big 10 so I have what should be a stiffer 8 pack leaf springs... Doesn't change the drop as the rear end sits on top of the leafs. I still got 6.5" of drop out of it if I remember correct.
And side note I only have one 16 gal tank, and spare tire removed so not much weight on my rear suspension. Not scaring anyone from this drop but don't plan to put anything in the bed. Or get a air shock like a helper bag maybe.