Oh wait, you hit someone from behind? let me troll and flame you, because you hit someone from behind you must not know how to drive!
this seems to be the most common accident i've seen with integra's. it happend to me within a week of having my gsr, i got a shoddy body job, but at least its fixed.... good luck getting it fixed man, shouldnt run you more than $500 for all parts needed, hopefully radiator support isnt bent!