Questions for Truck Hardware Gatorback Black Wrap RAM Head Mud Flaps - Rear

This pair is only a rear pair, there are two different fitment options for the front With OEM fender flares; https://www.sharptruck.com/truck-hardware-gcr31f-rvw Without OEM fender flares: https://www.sharptruck.com/truck-hardware-gcr32f-rvw