Mine were 8 ohm but the same load based upon series/parallel setup for the channel. I replaced mine with pioneer full range speakers.
If you can find a paint can opener, one like you get free with paint from Lowes it makes the perfect tool for removing the grille.
No man has a good enough memory to be a successful liar. Abraham Lincoln
2016 36FBTS Pinnacle
2016 F350, 6.7, 4x4, DRW, long bed
B & W Companion 5th wheel Hitch