A comprehensive trainer/cheating tool often mentioned by community guides for its advanced camera functions, allowing you to manipulate the camera position into the interior manually.
Standalone camera hacks are lightweight scripts specifically designed to decouple the camera from its default tracking positions. These tools allow you to manually shift the camera forward, down, and center into the driver's position. On-the-fly adjustments using hotkeys. nfsu2 interior camera mod link
Older games running on modern hardware can experience glitches when modded. nfsu2 interior camera mod link