For Need for Speed: Most Wanted (2005), "Junkman" parts represent the highest tier of performance upgrades, traditionally limited in Career mode. To bypass these restrictions and apply them to any car, players typically use third-party Save Editors or Cheat Tools. Recommended Tools for Editing Junkman Parts
Error: "Unsupported Save Version"
"I can take him," MW said.
You might be asking: "Can't I just use a trainer or cheat engine?" Yes, but trainers only provide temporary boosts. The Junkman Editor is different. It permanently modifies your save file (.nfsms), allowing you to install Junkman parts into your garage inventory as if they were normal shop items.
Open the Tool: Launch a reputable editor like the NFS MW Save Editor.
Open Editor: Run the saveEditor.exe and load the specific profile file you wish to modify.