whistling
I'm guessing its the physics re: air movement and displacement and blahblahblah, but all 3 integras ive owned, and all 4 civics with swaps Ive owned also did the same thing. What's cool, is it actually gets louder witht he addition of a throttle body, and Skunk@ intake manifold. my Gs-R whistles like crazy, and yes, it does sound like a babay turbo. I like controlling the throttle, and whistling at the ladies