Sorry about the late reply. This is what I ordered.
http://www.amazon.com/gp/product/B001EAWS3W/ref=oh_details_o00_s00_i00
I went to a local shop to run the trigger and power wire. From there, my cousin and I connected the rest. I mounted the adapter on the roof of the trunk and tapped into the left and right subs. I'll post a pic of the setup this weekend.