Ensure you are using a modern Beta or Dev build of Dolphin. Stable 5.0 handles custom texture mapping poorly with modern formats like .dds or .png . Conclusion
Have you tried an NFSU2 texture pack? Share your screenshots and favorite pack recommendations in the comments below (on your respective forum). For advanced help, visit the Dolphin Forums or the NFSU2 Modding Discord. need for speed underground 2 dolphin texture pack
It is important to manage expectations regarding "Texture Packs" for older games. Most of these are created using AI upscaling tools (like Topaz Gigapixel AI), not hand-drawn by artists. Ensure you are using a modern Beta or Dev build of Dolphin