Do I have to rewire a complete new sound system to switch out the bose speakers or head unit to aftermarket stuff?? Or, can new aftermarket speakers be installed using factory head unit??
D'Ecosse said:You can use your stock head unit with after-market speakers, but you will also need an external amplifier to drive the speakers.
You can also replace the head unit if you like, but this will require customization of the console to accommodate a clean look - you can either re-glass the original or buy a blank template from Science Of Speed & cut to fit.
If you replace the head unit, you can either use one with an integrated amp, or still utilize an external one.
Potentially you wouldn't need to get an external amp, if you buy one with a built-in amplifier - then you could just re-wire existing harnesses to accommodate the head & speaker connections. The best quality of sound will come from components with dedicated speaker wiring, but running speaker wire to the doors is not much fun, although quite possible. With a relatively low power output (25-40W /channel) you could still probably utilize the stock wiring.
It all depends on your budget & ultimate level you are striving for.
Ultimately, a new head with external amplifier & speakers give you infinite combinations of components to work with, but also requires the most installation work.
Do a search on this board for some different ideas that Prime members have done to their cars - you can see mine in a thread pretty close to the top in the pic gallery (New Noise-Maker).