Simple mod.
Audio Control LCI2
TWO Sound Ordinance 12" Band Pass subs from Crutchfield
One 500 watt mono amp with remote level control
4 guage wire and fused at the battery.
I tried one sub and it was good but not enough. I also tried my sealed 12" JL audio sub box but that was Meh. The 2 S/O Subs rock it out in the trunk.
All electronics mounted at the Sony DSP left side of the trunk.
All connections soldered to where they need to be.