Casually pulling 12g and more AoA than an F18 with the funny button off.
You can do this with other aircraft too, but there is a lot of jank to it.
For example: The F18 actually pulls less when using the cobra button than if the limits were on.
Instructor still stops you if you start to stall, will yank you back for half a second, which can cause some mishaps.
Some additional tests
It seems that the best performing are aircraft that have great stall control, so Hawk and Harrier are extremely stable, while Lightning and Buccaneer are particularly bad.
Or alternatively some aircraft will lose control depending on the severity of the wingtip stalls, so things like the Jaguar which barely even has wings will perform great.