hello i was just wondering what is the difference between the 90-91 and 92-93 rear bumper? i have a 91 integra and plan on getting a rear lip but will be rockin some mud flaps till i get enough money for the lip. and will the mud flaps fit both 90-91 and 92-93 integra? someone told me u can't fit a lip on the 92-93 rear bumper..but i don't know.. please help! also, thanks in advance! =]