Drivetrain Package is a performance upgrade option for performance customisation in Need for Speed: Underground.
The packages included transmission components to improve the top speed rating of a car, with additional packages unlocked as the player progresses through Underground Mode.
Street (Level 1)[]
- Cost: 500 Bank
- Unlock: Beat event #6: "Rookie Tournament" in Underground Mode.
Contents[]
- Short Throw Shift Kit
- Shifter Stabilizer Kit
- Replace Clutch
- Lightened Flywheel
Brands[]
- Package 1: Arospeed, Clutchmasters, Stillen
- Package 2: NEUSPEED, DC Sports, ACT
- Package 3: Jackson Racing, HKS USA, Stillen
Pro (Level 2)[]
- Cost: 1,000 Bank
- Unlock: Beat event #30: "Dead Calm" in Underground Mode.
Contents[]
- Limited Slip Differential
- High Performance Clutch
Brands[]
- Package 1: ACT, NEUSPEED, Arospeed
- Package 2: Jackson Racing, Stillen, HKS USA
- Package 3: HKS USA, NEUSPEED, Jackson Racing
Extreme (Level 3)[]
- Cost: 2,000 Bank
- Unlock: Beat event #66: "Art Center Sprint Tourney" in Underground Mode.
Contents[]
- Six-speed transmission
- Lightweight & Strengthen Driveshaft
Brands[]
- Package 1: DC Sports, ACT, NEUSPEED
- Package 2: Jackson Racing, Stillen, HKS USA
- Package 3: NEUSPEED, ACT, DC Sports
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 Drivetrain Package upon them beating event #7: "TJ's Time Trial". If the player does not select the package as their reward for the event, it is offered again as a reward for beating events #26: "Keep Them Coming" and #96: "Mods to the Max".