Re: front end issue- ETC or something else?
Taking a stab at it here,
First, i'd get the wheel and tire checked for possible out of balance. Perhaps they balanced it but the weight fell off at some point.
Second, double check all fasteners for tightness.
Third, possible bad front strut-check for leakage of fluid.
Borla S catback.Stillens. BT catch can. Hemifever tune.