This mod creates a mod shop in Mount Chiliad. Drive to the sphere with ANY KIND of car (even lowriders and street tuner cars) to mod your ride. Have fun.
How to install:
Extract all files to C:\Program Files\Rockstar Games\GTA San Andreas\CLEO
To make it more interesting, download and install 'Chiliad Chalet' mod by Skullripper, available at: http://www.gtagarage.com/mods/show.php?id=22995