As you say, it's probably fine but - pondering spending that money on a mains filtration system instead. Obviously if that lead pipe leaks that would be a serious error of judgement.
Those lead pipes are often quite small in diameter and sometimes caked in limescale too. Replacing it with a nice chonky plastic pipe stands a good chance of increasing your flow rate which can make it seem like you've got better pressure too.
As you say, it's probably fine but - pondering spending that money on a mains filtration system instead. Obviously if that lead pipe leaks that would be a serious error of judgement.