i was wondering if anyone could possibly help me with this. i have done a lot of research online and have looked everwhere for this. i have a 91 and was wondering what were the speaker sizes in it. the 2 on the door i have no clue, and the 2 in the lower part of the dash i have no clue on either. now the rear speakers. i know they are little 3way speakers(or so i was told). now my one blew out. would i replace that with a tweeter or what? i dont know if this was already posted or anything and its a pretty dumb question so sorry. if anyone could help or direct me to a site with any info on it, it would be greatly apreciated. thx

 

Under dash - 4"
door - 5 1/4" or 6 1/2"
towers - 5 1/4" or 6 1/2"

 

thx a lot