yes and no. not at the track, and i dont put them back in till me and doc go out on out little "run". we have a little area that is nothing but twisties, and of course the sway bars are a little help. not to much difference in normal driving, noticable when runing hard in the corners. no need for the quads when doing upgraded control arms.do u run your sway bars? I was thinking of taking them out while in doing all this? How is streeability like that? and i will be removing the quad shock what do u think of that will FRPP upper control arms and boxed lowers?