shakes or wobbles

Hi everyone, Looking for some insight into a problem I am currently facing with my car. I own a 2021 Genesis G70 2.0T w/manual transmission. It is lowered on Eibach pro kit springs and upgraded Whiteline sway bars front and rear. Whenever I exceed 130 km/h, the car begins to shake very...

This is my 2nd Genesis...2015 sedan 3.8....recently had the tire swap done with new Michelins. 3 days after swap I got a severe shake (wobble) while doing 65 on interstate. Took car back to dealer and they made sure all tires were properly torqued but could find nothing wrong. Yesterday it did...