I want to keep the stock radio and use a portable CD player in the Car (Since My Bilstien Shocks are rock hard!) that has around 50 second skip protection. Also I want to preserve the styling of the Car! I am on a budget, so I am looking to upgrade my speakers and if possible get an 4 channel amp. Is it possible to extract the original speakers out of the housing of the rear speakers so that I can upgrade just the cones? Or possibly a unit that can replace it without having to butcher my rear dash? Maybe I could even add a sub-woofer in the trunk that would be velcroed to the floor?