Generally, if configured properly with modern inventory systems, it is efficient, although older versions might cause minor lag.
It is rarely a standalone script; it often requires a specific base esx_inventoryhud to work correctly. esx_inventoryhud_trunk.rar
Here is a review based on its common functionality, popularity, and community feedback: it is efficient
Integrates directly with vehicle trunks, allowing players to see items inside visually, which enhances immersion [1]. esx_inventoryhud_trunk.rar
Installing and configuring it (especially aligning the database with items and vehicles) can be challenging for beginners.