Thread: New system for my 07GT

I would love to change my hu to a aftmkt one. I Know there is a harness to get, justhope it's not to$$. I would also like to change my rear deck speakers to a set of full range 8'' 2or3 ways (still looking) . I hear that it's possible to bi amp the signal and get a good sound. Any suggestions or problems I can expect? I've done more than a few systems, they've all come very nice I'm hoping this will to.

Alpine SPS-619

just put these in my 07 sound great ran off an aftermarket amp