Yup, my car pretty much got louder, but its definitely not annoying.....it sucks that my car is still slow, hopefully it can be "quick" someday after i build my motor
i heart mine it makes it easier to pretend I'm boosted when I hear the little whistle it makes hahaha as for power gains I feel a little more power in the mid-range but nothing huge.
This may come as a little weird but that blow off whistle sound was only on the f23, on the H22 I used the same V2 and it's just deeper and throatier, no whistle. Never dynod the f23, aem claims some 9hp, it is probably half of that but I hated the stock intake and I don't mind the engine being a bit louder.