Despite popular belief, it is not a "crucial" saftey feature of the car. Its only for 5mph type bumps. They come stock on alot of JDM cars, and really they do nothing for high speed accidents where crush zones and the real saftey designs of the car come into play.
If I swaped to a newer bumper I would do it (besides, our MY95 cars arent worth much anyway
If we get in an accident, its likely the car is going to be totalled cause of the cars value vs. repair cost)