There is no official "Version 2.0" from Warner Bros. But the 2024 UHD Blu-ray includes an updated audio mix that surpasses the original theatrical release.
: Offers the soundtrack in high-resolution formats, including 24-bit AIFF/FLAC mad max fury road audio track download updated
Many Google searches for "Mad Max Fury Road audio track download updated" lead to low-quality MP3 files (128kbps – 192kbps) on shady sites. There is no official "Version 2