Is downloading ROM Hacks illegal?

Related questions

1. Is it illegal to download ps2 BIOS?
2. Can Raspberry Pi emulate ps2?
3. Can my PC run ps2 games?
4. How find out what motherboard I have?
5. Is downloading isos illegal?
6. Where can I see my BIOS version?
7. Can pcsx2 run ps2 discs?
8. Can my PC run pcsx2?
9. How do I install the latest BIOS?
10. Is there any ps2 emulator for PC?

Tags

1. #selling
2. #harming
3. #games
4. #illegal
5. #technically
6. #emulators
7. #required
8. #something
9. #files
10. #modifying
11. #problem
12. #really
13. #anyone
14. #everything