They don't really move around much because of such great fitment. If you really were worried about it you could just use some strong velcro. That should do the trick. No need to bolt them down though.
You can't compare the looks of the two. One is a supermodel. And the other is a homly 350lb woman named betsy. - Tissan 20:18:48 08/26/04 (Compairing the looks of the 300ZX and a 350Z)