as far as power goes, i do 4guage from batt to engine bay fuse.. then thru firewall down drivers side of car.. to a dissy/fuse block in boot.. rcas down tranny tunnel under hte console..

this time ill probs run rca down passenger side, and into the boot thru the gas strut hole, and same for power cept on drivers side.. il probs cheat n drill a hole in firewall for power again.. and earth to the body, maybe run a better additional earth between body n batt in the engine bay.

ill running 2 x 2guages do 2" commper busbar anf i will make an earttyh bus bar as well am i able to run power down one side rca down teh other , then run speaker cables down each o fthere sides this means netx to teh power cable for drivers side?