I had a similar problem. I used a stock rad hose with the fancy bend. It reduces by itself to go to the engine. I just put a straight coupling onto it with some hose clamps.
That was in order to run 2 radiators in series. I had room for the extra hose. Not sure you will?
990SMT, 640A, TXC450, TE510, ATC350X, ATC200ES, 550MXC, BW200. Need more space in garage.