Where's the logic in this?
You don't want to run 2 more wires? You want to move stuff around your engine bay and fab custom brackets?
You run the wires the same time as the other wires! LOL
What do you think is going to take longer and cost more money?
5000 watt sub amp? LOL is it Chrome? Come on seriously? you need to STOP and re-think your entire project.