http://www.cardomain.com/item/SCOSS69 
 

Most speakers come with templates. If you already own the speakers you are installing you should be able to draw a line around them on paper.

they have tweeters on them so I cant trace also the hole they go into must be smaller than the circumferance of the speaker so there is no real way...

If I didn't have the tmplate (and I looked on the net, hard to find) I would trace the shape of the speaker. First cut a hole in a sheet of cardboa...

i'm thinking about sticking a couple of 6x9's right behind the seat. couldn't I just drill new holes into the metal behind the carpet?

Why not something like this for 6x9 speakers, would be easy to do... 
 
 http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&...


 
 If you want it to look like a profesional job, take it to a professional who has the skills, knowledge, and abilities! The word CAN'T n...

or if u really need a template go buy a new speaker use the cardboard that comes with it and then trace it and then return the new speaker back to...