So my blinders are currently on flea bay as im going to make the switch to LIs. I am planning on getting daul heads (regular) for the front and 1 hp head for my rear. My question is do you think 1 hp head on my rear is enough could i get away with a non hp possibly? Also can i put 2 regulars and 1hp on the same cpu or does the HP unit use a different cpu. The hp would be placed right above my rear plate it is a 4dr sedan i used to have all 4 blinders upfront i just never trusted 2, i am looking forward to the voice alerts and great performance of the LI.