KK Xposed

I know KK is old but why am I having such difficulties finding information? That's's not my real question though. I finally got V4A to work and now I'm trying to get Xposed installed. I've got the apk file, that's's easy, but I can't find anything on the file I need to flash in TWRP.

Can anyone help me out? I assume I'm looking for something regarding sdk 19.

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