As referenced here:

https://web.archive.org/web/20001210071300/ht … agetweaker.html
https://web.archive.org/web/19990210110016/ht … k/%7Econb/rage/

The only working link is to Rage 2 Tweaker version 1.0 but Rage 2 Tweaker Runtimes and Rage Pro Tweaker - Public Release 1.2 are dead.