WELL KIDDOS SORRY TO BREAK IT TO YA, BUT THE MAZDA 3 AIR NOISE IS TOTALLY NORMAL. I WENT TO MAZDA THE 1ST WEEK I GOT THE CAR WHEN I HEARD THE NOISE. THEY LOOKED AT IT AND SAID THAT ITS NORMAL, NOT TO EXPECT NO NOISE FROM AN ECONOMY CAR. THEY SAID ITS JUST IN THE START OF THE AIR, AND SOMETIMES...