This product is the best and most cheap thing you can do to give a better driving feel and better handiing to your Honda civic.There is not vibrations,just a little bit stiff sense.Nothing bad.The results are ImpressiveI!Better handing,driving feel,better stability to highway, less roll to the rear end.The quality is suberb of this item and i think never change it agaiin.Guys dont hesitate to fit them.