it'll fit... a lot of people claim that it won't clear the hood, but one our guys in houston (HNE & d_warner <-- same person) put a 5th gen strut tower bar on his 4th gen and it barely rubs the hood and it sits higher than the motor in the 5th gen, SO, that might be an urban legend.
either way, this is what the ORG says...
2nd post
http://forums.maxima.org/showthread....4&page=2&pp=40