Naca ducts don't work any better in terms of air drawn in, the whole point of them is to do the same job as a normal bulge/vent without creating more drag, ie any disturbance in the airflow over the panel. Incidentally, in hacking it up like that it's been rendered completely useless. 
Meh tbh, you're losing your touch love. :p

Meh tbh, you're losing your touch love. :p