This document discusses NFS-CfgInstaller, a tool used to install modification files for Need for Speed Underground 2 (NFSU2). It describes using NFS-CfgInstaller to install specific car modification files, such as "Gallardo - Uninstall.u2car" and "Corolla AE86 by Ti-Sonic.u2car". It also mentions downloading other NFSU2 modification tools like the ModTools and using NFS-CfgInstaller to properly position wheels on installed cars.