I'm not doubting anyone has, or even folks didn't grenade an Intense, or the thousands who didn't have trouble with a stock diff. My stock diff lasted in a 333whp GenV setup for years, then got more fun with an I/C'd MP112 pushing it even harder for a few more years at street racing and commuting, before rust did that car in. Still sits as a viable 175k spare in my garage.
The question is for a gear-based setup that is factory hard-built to specifically address the issue, and why the market may or may not support the effort to build & sell more. People mod slower cars for much more money. It's a fickle thing, and vendors constantly chase the demands.
