Hey, for pretty much as long as I have had the car I have complained of a rattling/vibration when reving from 3400-4000 rpms (and again from 4k-3400). Turned out that the rattle was just my injen heat shield so I took that off but the fact remains that my engine has excess vibration in this range. It is very noticeable, I feel it in the steering wheel, the pedals, and you can hear it. Anyway it concerns me and my dealer has never wanted to adress it, especially now that I have the full exhaust work done. Anyone have some insight for me? Thanks,
Jarrett