hey guys, just recently got a fg xr6 turbo, and it is making the funniest noise on acceleration, soon as you start to accelerate the cop siren noise starts and stops as soon as you let off the throttle, and itgets really loud, it also does on when free reving in neutral but not loud, there is NO performance issues at all it drives great so far, boost is fine and everything, just the loud cop siren noise through the whole rev range is there and I have searched everywhere for answers and I cant even figure it out, im thinking mabey the alternator or a pulley or 2..