Has anyone managed to break a stock diff with a diff brace on it? (specifically a KG one) if so how much torque did it take?

Trying to work out what I can do with my car next year - the car is setup primarily for circuit use, but I would like to get a decent 1/4 time out of it. At present I have a KG diff brace on it, and am wondering if it would be enough to run ET Streets. I don't know of anyone who has broken the diff through a KG, but want to verify it's strength before investing in rubber.
I'm not willing to invest in a drag friendly diff for the sake of getting one decent time out of the car, and plan to take the brace off once it has done a time and is retired from straight line use.

 

The diff brace actually doesnt break the diff, wheel hop it what really does it. The brace eliminates most of the wheel hop. There is alot of ppl running high HP with stock diff with no problems. Me on the other hand broke my diff and i do have the KG brace. But i wouldnt blame it on the diff brace.

Im running 12 psi on a T04R