audiobahn speakers

So I decided to install a 15" Audiobahn subwoofer today in a box that I built for the back of my 5. It has about 2.5sq ft of air space, and its ported out the drivers side. Its powered by a Rockford Fosgate Punch 800.2 amp with a remote output controller. I ran double 00 battery cable from the...

Hi... I'm in a hurry to sell my subs and amps because i'm moving across the country and could use the trunk space. My boyfriend had everything installed a few years ago. Details: - custom ported box that fits perfectly in the P5 - ports are installed with Aeroports - includes all the wiring...