i was wondering i just recently installed a belmouth and a midpipe so it a full turbo backwith a greddy axle back, i was on the interstate and around maybe 79~and up mph it would make a very wierd humming noise like hummMMMmMMmmMMmm and it was loud i thought it was a bad part of the road but it isnt it only happens when i get around that speed like it would happen every 4 out of 5 time i heit 79~ and up i have 19's on it and my cousin said it was the wheels its coming from the turbo area i dont really know but if anyone can help i would greatly appreciate it thanks