Im getting ready to install my new system soon but I ran into a couple problems/questions. I am going to be running a Fi Q 12d2 parallel to a Sundown SAX-1200D. Im going to be adding this to my stock setup in my car. I have a 2010 Audi A4 without the B&O system (it has the basic system). Im going to have a ported box in the trunk. My main question is... What is the optimal way for routing the Sundown's RCA's back to the head unit without problems? I've seen people in previous installs on the