here are the clips from the greddy evo 2...digital cam
at idle and revs
http://www.youtube.com/watch?v=9K3CEzWOnLs
windows up, regular driving...the exhaust is basically like stock from the inside of the cabin with windows up.
http://www.youtube.com/watch?v=XkA75KN47i0
highway speeds...inside cabin, windows up, 2800rpm 65 mph.
http://www.youtube.com/watch?v=pkjX2JrmeQo
highway speeds, 65mph....2800 rpm...no drone
http://www.youtube.com/watch?v=BGOjORCX2Sk
WOT 2nd-3rd-4th...leading into regular driving...no drone sounds like stock to me
http://www.youtube.com/watch?v=KyOD45iHDCY
i'm holding the digital camera and driving/shifting at the same time...don't try it...**** sucks and is dangerous.
i have a CAI also...u'll always hear it over the exhaust.