Engine Exhaust Package is a performance upgrade option for performance customisation in Need for Speed: Underground.
The packages included engine and exhaust components to improve the acceleration rating of a car, with additional packages unlocked as the player progresses through Underground Mode.
Street (Level 1)[]
- Cost: 500
- Unlock: Beat event #6: "Rookie Tournament" in Underground Mode.
Contents[]
- Cold Air Intake System
- Cat-Back Exhaust System
- Replace Headers
Brands[]
- Package 1: AEM, Aerospeed, DC Sports, Injen Technology, HKS USA
- Package 2: NEUSPEED, Jackson Racing, HP Racing, Stillen, Venom
- Package 3: Skunk2 Racing, Borla, A'PEXi, GReddy
- Package 4: 5Zigen, Skunk2 Racing, A'PEXi
Pro (Level 2)[]
- Cost: 1,000
- Unlock: Beat event #30: "Dead Calm" in Underground Mode.
Contents[]
- Mild Camshaft & Cam Gears
- High Performance Throttle Body
- High Flow Intake Manifold
- Larger Diameter Downpipe
Brands[]
- Package 1: AEM, Jackson Racing, A'PEXi, GReddy, Venom
- Package 2: Arospeed, NEUSPEED, Skunk2 Racing, Borla, Injen Technology
- Package 3: DC Sports, HKS USA, HP Racing, Stillen
- Package 4: Scorpion Exhausts, Henshin Auto, DC Sports
Extreme (Level 3)[]
- Cost: 2,000
- Unlock: Beat event #66: "Art Center Sprint Tourney" in Underground Mode.
Contents[]
- Replace Piston & Rods
- Racing Camshaft & Cam Gears
- Port & Polish Heads
- Blueprint the Block
- Low Restriction, High Flow Headers Installed
Brands[]
- Package 1: AEM, NEUSPEED, Jackson Racing, Venom, Arospeed
- Package 2: Greddy, Skunk2 Racing, A'PEXi, Borla, HKS USA
- Package 3: DC Sports, Injen Technology, HP 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 Engine Exhaust 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".