
You’d be amazed at how far science has come with bottom surgery. But I agree with the other commenter: it’s not really your business to care.
If you did, you’d have more knowledge on modern procedures, and would be able to easily imagine what the consequences to such decisions are rather than assuming how bad they might be.
Here’s a site that should answer most of your questions clearly:



Not a urologist, but I’ve got a bladder issue that has given me insight on this topic that I’ve discussed with several urologists.
In short: yes, penis havers piss slightly faster than non-penis havers. But only on average.
All sexes have a urethra, the tube in which pee comes out of, penises just contain a few extra centimeters of urethra on average, compared to non-penis havers.
These extra centimeters, on average, allow the piss to naturally “cycle” around the urethra a bit more, leading to a naturally higher velocity on exit.
To answer your question, there is a device that measures the flow rate of a stream of urine. This device is placed into a toilet, looks like a portable fan, and is pee’d on to determine the strength and speed of your flow over time.
It’s used by urologists to determine if you’re peeing good or bad, but 100% generates accurate information on the velocity / speed of your piss.
Not intentionally, but I did very well on one of these tests, literally pissing “off the charts” which lead to several conversations with my urologist on who the best pissers out there are. (Horses, Swimmers, Etc). Eventually confirming that men do (on average) pee faster.