It has been 17 years since Need For Speed Underground 2 was released and till date,NFS Fans consider it the best game under the NFS series. Fortunately, the game has been made even better through mods that include Ray Tracing and improved textures.
All the credit goes to the modder KTMX who has launched NFSU2 REDUX 2.0. In his mod he has not only improved the graphics but has also included Ray Tracing too. The mod also includes functions of lighting, shadows, depth of field, and ambient occlusion.
You can download the mod using this link.