I shouldn't answer, because you'll use it to discredit me.
Other than some ATB bars, It's bone stock. It's got a somewhat clogged exhaust. It does 28mph on the flat. According to my GPS.
That said, I haven't made any effort whatsoever to make it faster. Without spare parts I'm hesitant to start modifying bits that I can't readily replace.
There's also a 70cc airsal kit sitting on my coffee table, with a freshly made set of gaskets. You can guess what's coming soon.