Get you an arlen ness big sucker, its a high flow intake and k&n filter style, but still uses your stock cover. Thats what I have on mine. Other then not having a backing platr to complete the box, you cant tell its on there, until you fire the bike up and you can hear it sucking air. The flow is limuted more by the small opening in the bottom of the air box and the smaller opening where it connects to the throttle body.
"still achieve high flow results". No. But the K&N will still be able to suck more air in than the stock cams will allow. IF like many of us, you will be adding pipes, etc. etc. on down the road, spend the few extra $$ now to get the high flowing setup. I still have the football cover on my S.E. unit.