Almost all voice clips in online gameplay, character interactions, win and intro scenes, are modded except story related content. Just for fun :)
Preview: https://youtu.be/10PQcv_HHAU
Instructions: Download the zip and extract it to: TEKKEN 8\Polaris\Content\Paks\Mods folder If you don't have Mods folder, email Harada now. Just kidding, you can make one in just a few seconds.
I repeat, story related stuff including story mode and character episode scenes are not modded.