Can I Use My Rocket League DLC Items on All Platforms?
https://support.rocketleague.com/hc/en-us/articles/1260806656009-Can-I-Use-My-Rocket-League-DLC-Items-on-All-Platforms-
Starting May 24, all Premium DLC items will be cross-platform in Rocket League! This includes items that were purchased before Free To Play. Ready to get started? Make sure your Epic Account is linked to your platform account Log into each platform with DLC Items For example, if you have items on PlayStation and Xbox you will need to log into each
DA: 81 PA: 83 MOZ Rank: 75