Sirryrabbit

I have 2 SA8V1's that im currently building a box for. I want to do 4 8's in my Yukon, since these are discontinued, would running 2 MA8's be comparable to my SA8V1's? I have one Skar 1000.1 for the 2 Sundowns and would ultimately run another for the MA8's as a slave. Any input is appreciated