You definitely want to look into getting 2 or 3 way 6.5" components up front. 6x9 will not fit, unless you want to put them in an enclosure.
I have a pair of used MB Quart Reference 3-way 6x9 in an enclosure. It came out of my 350Z when I had it squeezed between the strut tower bar. PM me if interested.
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