Installing JB4 with MHD already installed

Planning to finally install JB4 tomorrow, currently running MHD. Should I flash back to stock fully (uninstall MHD) or can I just flash to stage 0 on MHD and leave it installed?

Also not too knowledgeable on how backend flashing with JB4 and MHD works, but would like for that to be an option in the future

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