It wont be giving you much apart from raw noise. Small gains can be seen in larger engine and turbo cars. When the air is cold outside (wintery nights) you may find you have sharper throttle response due to the theory of more oxygen in the cold air because the air is more dense.
Actually, the ARC Magic is one of the few induction kits that does show an improvement (small) on a dyno, the other being the Jackson Racing Cold Air Induction kit. Looks good too