Originally Posted by DuctTapedGoat
Rubber keeps it from being torqued properly and stresses the frame moreso than usual.
Some people have luck, but there is enough bad experiences and controversy on it that I don't think it'd qualify as a general "should be replaced".
Hhhm, I'll check for that(however it is I do so). So far I haven't had any problems. I'll clarify by saying that the stock mounts don't need to be replaced(mine seemed fine), but making your own probably wouldn't hurt. I probably would have just used the stock mounts had I been smart enough to replace the cheap studs from the kit in the first place.
Like your avatar! Tanz mit Laibach! \m/