I recently purchased a 09 Impala LTZ. It does have the Bose system. I can live with the sound but would like to add a little bass. Do I just need something like AOEM-GM1416A and maybe a PAC LC-1? I have a few amps (Eclipse xa5000 , Pioneer GM-X354 , and an old Rockford Fosgate Punch 75.2). I think I would just put in the Punch and a Pioneer 10' sub that I have. This combo sounded quite good in my Monte Carlos that I had. Any idea on the output of the Punch and possibly a 10' or 12' for around $100 that might be better(sealed box)? I would try the Pioneer first and see how that sounded though. Just want to check and see if those 2 parts would be all I needed (along with the wires for the amp of course).