On a standard Memory Stick, save data is not stored as a single monolithic file but as a folder containing multiple files. The hierarchy is typically: PSP > SAVEDATA > ULUS10021S0 (Folder name varies by region).
(e.g., GT King's Nissan Skyline R34 GTR) unlocked through specific race conditions. Managing & Transferring Files File Location
Locate a reputable source like the GameFAQs Save Database and extract the folder. Locate Target Folder:
Every vehicle comes equipped with Tier 3 engine, drivetrain, and nitro upgrades for maximum top speed.
Copy the extracted folder (e.g., ULUS10007 ) into the SAVEDATA directory. If a folder with that name already exists, you may need to overwrite it. Where to Find Files