okmy car is the lancer es with the navigation/cd player and i dont have the 9 speaker system all i have are the 4 door speakers...how would i go about wiring and amp and subs to th system because the places around town here wont touch it because they dont know what to do with the navigation deal i have...any advice please help

First, find wiring diagram to speakers, power, etc.. from the navi system.
Second, get Rockford Fosgate 3Sixty sound processor
http://www.rockfordfosgate.com/products/pr...es.asp?cat_id=1
and wire up your amps and speakers.
easy said than done, but in a nutshell, thats what you need.

wow thats pretty expensive peice just for a sub