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Which 3 Unique Upgrades (TJ parts) are the best?
The three most effective TJ setups for NFS Underground, especially in Circuit and Free Run mode, are:
| Engine | ECU | Turbo | → | the strongest option, but slightly less stable and a bit harder to handle. |
| Engine | Turbo | Weight | → | slightly less power, but easier to control and more stable. |
| Engine | ECU | Weight | → | similar to Engine-Turbo-Weight in handling and stability. |
Try all three and choose the one that feels best for you - you really can’t go wrong with any of them.
You can always change the TJ combination in the NFS.onl launcher under Options → Saved game files, as long as the game is not running with that profile loaded.
All Unique Upgrades
| Unique Upgrade | Code | Short Name |
|---|---|---|
| Engine Exhaust Package | ENG | Engine |
| Drivetrain Package | TRN | Trans (for Transmission) |
| Tyres | TIR | Tires |
| E.C.U. & Fuel System | ECU | ECU (for Electronic Control Unit) |
| Turbo Package | TRB | Turbo |
| Brake Kits | BRK | Brakes |
| Weight Reduction Kits | WGT | Weight |
| Suspension Package | SUS | Suspension |
| Nitrous Oxide Package | NOS | NOS or Nitro |