> For the complete documentation index, see [llms.txt](https://justlazzy.gitbook.io/home/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://justlazzy.gitbook.io/home/free-resources/jl-laptop/installation/boosting.md).

# Boosting

Headover to your `qb-core/shared/vehicles` and add this to all your following vehicles

{% hint style="danger" %}
You must add minimum 2 cars per tier to make it work
{% endhint %}

```lua
["tier"] = "D" -- Can either be D, C, B, A, A+, S, S+
```

After that go to your `qb-core/server/player.lua` and add this metadata

```lua
    PlayerData.metadata['carboostrep'] = PlayerData.metadata['carboostrep'] or 0
```