If you are looking to customize your experience without risking a ban, consider these officially recognized or widely used options: How do I purchase Credits in Rocket League? - Epic Games
Before you consider any "unlock all" software, please be aware of these critical risks: If you are looking to customize your experience
: Rocket League item data is stored on Psyonix's servers. Local clients cannot "unlock all" items for online use; any tool claiming to do so is either a visual-only mod or a phishing attempt. Websites promising these hacks often force users through
Websites promising these hacks often force users through "human verification" surveys or ad-shorteners that generate revenue for the scammer while providing no actual software. The Safe Alternative: BakkesMod Authentic "Miku" Content
. Accounts caught using such hacks face permanent bans and the loss of all legitimately owned items. Authentic "Miku" Content