Yes you do cut some metal thats how you know you are opening up the fender. There are a few post and a write up on the here I'm sure that will show you the details of tj flares on a yj. For the body lift just 1" and you don't have do do anything else but sometimes you have to fight a rusted up body mount bolt so it can be a pain on some jeeps.
$ Quality isn't expensive, it's priceless! $
94 YJ, 2.5l, BD 1" mml, sye, 4.5" rubicon express extreme duty, 1.5" shackles, 1" bl, dana 30-4.88 and lockright, 8.8- 4.88 and spartan, tera low 2wd, 35" km2's, custom cage and rock sliders, ramsey pro 6000 winch....