If a software claims to give you these items for free outside of the official event, it is likely a scam or will result in an account ban. It's Official, Not a Leek: Rocket League x Hatsune Miku!
Using unofficial "clients" to unlock titles often results in severe consequences: Permanent Account Bans: miku client rocket league unlock all title work
Software downloaded from unofficial "cheat" or "hack" sites can often contain . Entering your login credentials into any tool outside of the official game or Epic Games portal is highly dangerous. 4. Official Alternatives If a software claims to give you these