Power steering High pressure hose replacement on 2000 VVTI

Hi all, new here.

Wife has a 2000 VVTI and just found out the high pressure power steering hose that runs behind bumper and in front of rad (for cooling I suspect) is leaking as much as Julian Assange to the media.

Have managed to source a good 2nd hand set of pipes as Toyota UK wanted 250 squids!

Anyone done this and how easy is it?

Cheers

Stephen