You can install our site as a web app on your iOS device by utilizing the Add to Home Screen feature in Safari. Please see this thread for more details on this.
Note: This feature may not be available in some browsers.
My understanding is that all Tesla vehicles uses selective braking for traction control.
But someone should seriously tweet that video to Tesla and Elon... seems like a good fit for an electric high performance powertrain.
It's probably pretty easy to swap out the differential inside the unit though. Limited slip differentials fit in the same housings as open differentials.