Just Got gear installed!!!! Urgent

That sound that sounds like an airplane is your rearend. Better get used to it cuz thats the noise they make cuz they are spinning faster than they normally would.

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'93 Gt, Stock as a rock, but plan an AOD to T-5 swap, steeda tri-ax shifter, 3.55's, cobra intake, gt-40 irons, e303 cam, 1.6 rr's, mac headers, off road h-pipe, flowmasters cat back, msd ignition, blaster coil, mac cold air box (fenderwell), eibach springs, silver cobra r's, and an obnoxiously large mustang in the back window =0)