Its probably from being lowered, its bump steer. My buddy had an RS on coil overs and under acceleration the front end would pull one way, and hitting bumps the rear end would walk out one direction or another. Stock ride height for me.

95 Eclipse GS: 10.5:1, Crower 2's and MSII
186 WHP - 150 WTQ
14.697 @ 93.85 MPH......Gone, but not forgotten
99 420A Avenger: Given to my sister
99 GS OZ: Sold
03 Evo 8: Family Car with balls