i will start with the newest bumper first
97-98 bumper(USDM)
this bumper uses a diffrent T-bar or header panel than all the other bumpers. the grills are also in the bumper not the t-bar
http://i102.photobucket.com/albums/m...002/JDM001.jpg
94-96 bumper(USDM)
this bumper uses the same t-bar as the JDM bumpers. to convert to the newstyle bumper all you do is swap t-bars.
http://i102.photobucket.com/albums/m...Picture012.jpg
worldspec bumper
this bumper was offered on every non USDM galant.
http://i102.photobucket.com/albums/m...15937223_1.jpg
VR-4 bumper
this is simillar to the worldspec bumper except it has a lip on it.
http://i102.photobucket.com/albums/m...399_3_full.jpg
Diamond Edition bumper
this bumper is a specail edition that only came as an option. this bumper has a thicl lip and has 2 diffrent style foglights available. there are the regualr square fog lights and projector style fog lights. this also uses larger grills than the other bumpers.
http://i102.photobucket.com/albums/m...05copycopy.jpg
http://i102.photobucket.com/albums/m...vrpearlwyt.jpg
there is also a variation to this bumper. this variation has a aluminum brush guard.
http://i102.photobucket.com/albums/m...o2002/0001.jpg