Originally Posted by Mike Rainbird
:.
I run coil-overs and don't have a rear brace, but if I was to fit one, it would be just like the one that you are thinking about getting, which is just to stop the struts from moving towards each other (and thus changing the geometry) on hi-g corners.
p.
A brace might stiffen the shell but how would slight flexing of the struts towards each other affect the suspension geometry
It will help the springs and dampers to work better though..