Hi all, I'm adding an add-a-leaf to the rear springs of my 2014 Frontier CC SV 4x4 stock rear suspension height. The product claims 1.5-2" of lift from its install. Question is, do I need new shocks and if so what part numbers, web links etc. I've got Bilsteins on right now but one side has blown oil everywhere after <30k miles all on pavement so replacement is necessary. Can I go with stock length or not? Do I need longer bump stops? Any help is appreciated.