Check the tires for wear and if you see any track it down from their.Do you get any other vibrations? It the steering otherwise very direct? Does the car drift at all? Wander in a lane?15.9 @ 86.7mph97 Eclipse RSInjen CAI, 55mm TB, P&P Intake, Crower Stage 2 Cams, Hooker Header, GS-T Muffler, AFX UDP, Crane Ign Amp, S-AFC