You can search the "Feature Films" or "Audio" sections on Archive.org to find preserved media related to the film.
: You can often find full-length versions uploaded by users, such as this 1080p hardcoded MP4 version . kung fu hustle internet archive
The result is cinematic alchemy. One moment, you’re watching a chase scene straight out of The Road Runner (complete with painted tunnel walls). The next, you’re witnessing a tearful sacrifice ripped from a King Hu film. The final battle—featuring the Buddhist Palm technique and a transformation into a celestial deity—is pure visual poetry. You can search the "Feature Films" or "Audio"