I have a recoil xps which is pretty strong. It has dual three stage motors plus another on board 2 stage motor. they come set up with 2 inch hose. It is the strongest porty out there .
Junior If u were to look at my equipment You would have seen that also have a recoil. I also have the m-5 motors in the front and old 3 stage in the back and I also have a inline booster.