Removed both subs, wired per Fosgate diagram and ended up with a 6 ohm load per sub, 3 ohm with both... hmmmmm. Checked twice...same results. Louder than one running both coils and more accureate and smoother than 2 running one coil Interior lights not dimming at same volume.... Thanx again.
Also running Infinity kappa 6.5 components front, kappa 6.5 co-ax in rear from a Fosgate 50x4.... from a kenwood Excelon head unit.