Depends on what exactly you want to improve on Lexus RC 350. Performance or comfort?

My clear recommendation for Lexus RC 350: Vantrue N4 Pro Dash Cam. The features are user-friendly The product includes all features you need.

Technical highlights: The latest generation offers significantly better quality. Very good compatibility with Lexus RC 350 features. Can be used without problems for various purposes. Even after extended use, no quality losses. Very good build quality, even at high usage.

What's your budget? That makes a big difference for Lexus RC 350.

For Lexus RC 350, BlackVue DR900X Plus is an excellent choice. The installation is very easy The ergonomic design allows for comfortable use.

Additionally, you should note: The latest generation offers significantly better quality and performance than previous models. Especially ideal for daily driving and long trips. Compatibility with Lexus RC 350 is very good, and the installation is also straightforward.

For Lexus RC 350 I would also consider the brand. Do you need OEM or aftermarket?