Emulating EH HOG2 on the MOD DUO or Dwarf

Pedalboards Tone Challenge
#1

Hello everyone,

I intend to recreate the Electro-Harmonix Hog2 but I have no idea where to start.
Have someone tried something like that already.
Cheers

#2

I have the EHX HOG2 - What part are looking at recreating?