Audio Systems: Adding sirus satellite radio, eddie bauer edition, factory radio

Question
My wife would like to have sirus satellite radio with the
factory JBL audio system for Eddie Bauer Edition 1997.
How much will it cost?Can I keep the factory installed Radio?

Answer
yes you can keep the factory radio
use any portable sirius radio with a car kit and install that in the vehicle
use this interface it will plug in the midle of the cd changer and the factory radio

http://www.oemautosound.com/pc-392-86-pie-x3-frdw-triple-input-auxiliary-interfa...