first off, the attachment bolts are not strong enough to prevent uplift at freeway speeds, might be fine for 95% of the population but you will always be the 5% that it flies off on because you were doing 80 with a 50mph head-wind and all it takes is a few nice gusts to crack the fiberglass and one nice one to rip it off.
second, IMO, it looks hideous. its worse than a fake scoop itself, big ass gaping hole that has no functionality (another thing i hate about my own side-scoops which someday ill make a honeycomb insert for them).