Let me know if you have issues.
1. Queue up CM (or other kang)
2. Queue up GAPPS
3. Queue up exfat.zip
It should mount it in init.d before vold can get its grubby hands on it and corrupt the fs.
Andrew Nayenko - http://code.google.com/p/exfat/
FUSE - pactched to 2.9.2
My github has fuse and exfat at https://github.com/bigbiff