12 or 95

ok wot was so drastic that happend between 95 and 96 except the bumpers lol... its still a mk2 ibiza 2.0L 8v and has 115bhp right.. different engine.. mines a 2AE? i think out the mk3 golf Gti? was all the underneath redone, as my big problem is all the nice stainless steel catback/ or full...