Mine was missing and I just installed my Aruba Dave one that I've had lying around for over a year. It made a big difference on making the car stiffer. But even after cutting down the gussets/mounts of the aruba dave one (for more ground clearance), I still hit that brace on certain speed bumps, etc. More ground clearance would be nice.
Ken 91TT
P.s. But you know what brace we really need in aluminum? The midget said you may be working on something.. I'll be more than happy to test one and give a review..