Help with Hi-Fi center channel speaker

[hanzo540i]

Hello all,

Second post to Xoutpost, great resource.

I am upgrading the Hi-Fi system in my 2009 diesel X5 and I'm not sure what to do with the center channel. I have a four channel amp for the front and rear doors figured out, and I think I figured out the under seat subs, (thanks to El Duderino)... what I'm not sure is should I keep the center channel, or not? If so any recommendations about how to interface it into the rest of the system?

Oh by the way I think I have the speakers ready to go, with the exception of the center one as well.

Thanks.