On our Maximas, there is an air dam in the lower half of the bumper. If you look at your car from the front, up close, on the drivers side you will see and air dam. When I put the new bumper and grill on, this air dam looked funny....also the 97-99 year Maximas do not have this air dam. And since I have a CAI and do not the air in my engine bay, I ripped the sucker right out. It is just held in by those tiny little little rivets that can be broken by a 3 year old. Anyways, its all good.
Erik
Southeast Maxima Group