Hey bimmer dreamers and gearheads, riddle me this if you will... I've just about finished all of my exterior upgrades to my bimmer and will turn my resources towards interior under the hood upgrades. I'm wondering basically if adding a cold air induction to my car will increase interior compartment noise of any kind. I heard some speak of whistling sounds when they accelerate. I'm also looking to upgrade my exhaust, add a chip and upgrade my spark plug wires to plasma. Thanks in advance for any suggestions that you may have...