Gt6 Hybrid Editor Upd -
Always keep a "clean" copy of your Game Data before using external editors.
: Always back up your original save data before using a hybrid editor; improper values can render a save file unreadable by the game. Online Ban Risk
The "UPD" version of the tool was smoother than the old builds. It bypassed the game's integrity checks with a new script, allowing for "illegal" part combinations that would usually crash the PlayStation 3.
Swapping parts (like putting a high-end engine or turbo into a lower-tier car) to create unique vehicle builds.
You will need a jailbroken PS3, a USB drive, and the Bruteforce Save Data tool.