Question about intake/exhaust sound
 

So I finished installing my takeda intake, invidia front pipe, and q300. Before installing the intake i absolutely loved the exhaust. After installing the intake on wot in third gear around 3500 rpm I get a really low drone that actually vibrates the car and it only lasts until 4500 rpm. It's nuts. At all other times there is hardly any noise. Mind you I reset the ecu and have only driven 3 times for a total of 20 miles since the reset. In the last drive to gas station the noise wasn't as pronounced, so I wonder if its an ecu learning issue.

Anyone with this setup want to chime in?

I know it's an old thread but I've a similar sound/drone coming from the car
do it sounds like this?
[ame="http://www.youtube.com/watch?v=UdNVH8mEFjs"]Rattle at 3500rpm coming from engine bay - YouTube[/ame]

from the video that sounds like the oem noise generator piped into the cabin.

yeah,at first I thought it was the sound generator but after i removed it the sounds is still here

btw it makes this noise just after I flashed my car with my tune(ecutek fa20club)

it could be aggressive cam phasing to smooth out the torque dip. Had the same experience when I was n/a