So a run down of the equipment that is being used in v2.0 of the car.
HU: Sony GS9
Front stage amp: Adcom 4404
Sub Amp: JL Audio xD1000/1
Processor: Arc Audio PS8
Cable is KnuConcept cable that has been in the car for a few years
RCA: 8 Ball Customs cables
Dampener: Soundskins