DIC display... Maximum Gs...?
Lowering your car would be a half way decent idea too.
basically tires and suspension in whatever form you want to take it even drag slicks and lowering only the front suspension etc etc...
Anything other than what's mentioned above will require modding the engine and getting a tune... and depending on how far you take that will determine more or less your "numbers".
I've had a max of .85 lateral, .75 acceleration, and 1.17 stopping.

