lip kits dont fit unless you're willing to hack the heck outt the lip itself because of the length of the US bumpers vs Japan bumpers... ours are longer! so like said over and over again... you need to lenghten/extend the lip kit.
as far as Japan bumpers go... well your US crash bar has got to go and find yourself a JDM crash bar to fit, you jus end up losing your bumper lights which is no big deal. same goes for the back... and again... like said before... its cuz the japan bumpers are shorter and have no bumper lens on them. so yes these JDM bumpers will more then likely fit... jus have to cough up a good amount of $$$.