If your current setup is outdated, you don't need a new WBFS. The CTGP-R channel has a built-in feature.
: Features like 200cc mode, custom fonts, and item rain. ctgp revolution v103 wbfs updated
If your "CTGP Revolution v1.03 WBFS" isn't loading custom tracks, check the following: If your current setup is outdated, you don't need a new WBFS