Re: Need advice on replacing factory speakers.
Components have a crossover for each side that routes the signal between the woofer, the mid, and the tweeter. If you have just a woofer and a tweeter it's 1 less pair of wires per side. In your car you could put the crossovers somewhere in the dash or kick panel areas and then run one set of speaker wires per side back to the amplifier. This makes for a lot less wire to use.
I'm introducing the new MX Designs components systems by CDT Audio, which feature speakers that are perfectly suited to a vehicle like yours. 6x9 woofers will fit the doors, 2" mid/tweeters can fit the dash with adapters that I will source for you, and optionally you can also use 1.1" silk dome tweeters that are installed without any cutting of your trim panels.
This would be a beautiful sounding setup that will get loud. I have 6x9s for the rear deck as well, but I would focus on the front speakers first.
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