Talk:Affinity/@comment-107.212.32.178-20150107170231/@comment-98.242.60.72-20150109003132

On this page under notes. " Fully ranked equipment still accumulates Affinity even though the mission end screen does not display it. The total Affinity can be seen from a player's profile page. "

So even if it's maxed it will still get the second split xp