Typically just run the 14ga from amp to the headunit location for the mids and highs and from amp directly to the sub. Most don't run directly from amp to the door speakers themselves. The factory wiring is copper and of sufficient size to be ok.
Kdss experts... when installing a lift I have read to strap the piston in the kdss system. What about disconnecting the battery? Would this lack of power to the system keep the kdss ram from operating?