Have u tried tightening up ur body mounts it took me 10 yrs to figure it out but I just tried going all the way around the bottom and I tightened them quite a bit and it went away good luck
I bought the jba headers from underdog racing and when they arrived I was disappointed with the quality but decided to install them anyway . I tried to install them only to find they did not fit . I called underdog and talked to Gaget he was not helpful at all my car is a 02 lx and he said these...