Return to the game's car customization menu. A "back room" (often accessed by pressing 1 ) will now be available where you can apply the Junkman parts.
If you are using a tool like the NFS Most Wanted Trainer , the general process involves: nfsmw junkman editor
In the world of Need for Speed: Most Wanted (2005), "Junkman" parts represent the pinnacle of performance, offering stat boosts that exceed even the "Ultimate" shop upgrades. While these parts are rare rewards in Career mode, many players use a or trainer to bypass the grind and max out their vehicles instantly. What is the NFSMW Junkman Editor? Return to the game's car customization menu
For those who prefer not to use external software, there is a built-in "cheat" to unlock these parts for use in the (non-career) menu: While these parts are rare rewards in Career