New ones are longer to put more pressure on the front air deflector..they also send longer bolts and a shim gauge…part number for the TSB kit is pt767-35100-sk
Thank you so much for posting this issue: I just took a trip from Denver CO area to Charlotte NC and when the winds were high across Kansas I had to slow below posted speeds to get the vibration to stop. It happened both directions and not just in Kansas. For a temp fix you can partially open the sunroof if you have one and it helps somewhat but it is noisy!