[drsnoze]

For your mids and highs you want the Infinity Reference 500cs
http://www.acaraudio.com/product_info.php?manufacturers_id=18&products_id=275, they work very well on the stock pre-amp.

For a sub you want a JL audio 10in WO http://www.acaraudio.com/product_info.php?manufacturers_id=14&products_id=161
needs minimal power to put out a lot of bass

amp wise im gonna have to figure that out

 

[drsnoze]

you could put it under the seat but you would have minimal clearence.

you would have to build a custom box to fit under the seate