He's running a remote air hose, so it shouldn't affect it adversely. He may loose a little low end with the hose, but when he gets above 3K rpm (like most of us do ), then the car really likes it. That's coming from my own experience, FWIW.
'99 Contour SE V6 w/MTX (Black Clearcoat) '02 Dakota 4.7L V8 2WD X-Cab (Flame Red Clearcoat)