Thanks for the help.
I am going to go back to my stero guy; he is very very well respected in these parts and he was sure he could not upgrade my headunit to one with a i tune hookup and use my speakers.

All I want to do is add I podhookup and add a sub in my hatch...little bass thumping..I know I need a amp for bass but I wanted to keep all my other speakers stock for now He was saying that was not possiable because of stock amp and speakers,.