Quote Originally Posted by Tristan Smith View Post
So what exactly does this mean?
Unfortunately, it means that without a seat back brace your stock sliders are now illegal. The costs/testing/evidence involved in producing FIA homologation for YOUR seat sliders mounted in YOUR car are unobtainable, and I think that was intentional by the CRB.

You can either replace the sliders with a fixed mount or add a seat back brace. Or you can spend a lot of money to rub their faces in it by pursuing FIA homologation... - GA