Full 2026 review of XPEL PRIME CS — the entry-level color-stable, non-metalized window tint from XPEL. Specs, VLT options, comparison to PRIME XR PLUS and 3M, Llumar, SunTek, California legal compliance, Los Angeles pricing ($250-$675), and which drivers should choose CS vs ceramic. Installed by Rapid Window Tinting on Sunset Boulevard.