E.C.U. & Fuel System is a performance upgrade option for performance customisation in Need for Speed: Underground.
The packages included ECU, fuel pump, and injection components to improve the acceleration and top speed ratings of a car, with additional packages unlocked as the player progresses through Underground Mode.
Street (Level 1)[]
- Cost: 1,000 Bank
- Unlock: Beat event #9: "All Go, No Show!" in Underground Mode.
Contents[]
- Performance Chip
Brands[]
- Package 1: Jackson Racing, Venom, Stillen
- Package 2: AEM, GReddy, Skunk2 Racing
- Package 3: A'PEXi, Jackson Racing, Stillen
Pro (Level 2)[]
- Cost: 2,000 Bank
- Unlock: Beat event #38: "Import Tuner Drift Event" in Underground Mode.
Contents[]
- High Flow Fuel Pump
- Adjustable Fuel Pressure Regulator
- Replace Fuel Rail
- Replace Fuel Filter
Brands[]
- Package 1: Venom, AEM, GReddy
- Package 2: Stillen, Jackson Racing, Skunk2 Racing
- Package 3: A'PEXi, Stillen, Venom
Extreme (Level 3)[]
- Cost: 4,000 Bank
- Unlock: Beat event #80: "First Dibs" in Underground Mode.
Contents[]
- Stand Alone Engine Management Unit
- Replace Fuel Injectors
Brands[]
- Package 1: Jackson Racing, AEM, GReddy
- Package 2: Stillen, A'PEXi, Venom
- Package 3: Venom, Skunk2 Racing, Stillen
Unique[]
Unique performance parts offer vast performance improvements over all levels of any performance part, and can only be won by beating TJ's time trial events in Underground Mode.
Upon beating a time trial event, TJ will give the player a selection of unique parts to choose from as a reward. Any unique part rewards offered by TJ at the end of an event that are not chosen by the player are made available as a reward option again for the following time trial event offered by TJ.
TJ will offer the player a unique E.C.U. & Fuel System Package upon them beating event #26: "Keep Them Coming". If the player does not select the package as their reward for the event, it is offered again as a reward for beating event #96: "Mods to the Max".