Need for Speed: Underground

Scroll down to read our guide named All Available Upgrades for Need for Speed: Underground on PlayStation 2 (PS2), or click the above links for more cheats.

All Available Upgrades

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*************************************I. Visual**************************************
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Front Bumper (Body)
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Reputation: +3/+2/?
500: Snyper, Ace
1000 (44): Renegade, Shadow, Strike, Flash
1500 (90): Wolfpack, Spyder, Type V, Vortex, 
Crank, Storm, Frenzy, Blast, Rage

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Rear Bumper (Body)
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Reputation: +3/+1/?
500: Snyper, Ace
1000 (49): Renegade, Shadow, Strike, Flash
1500(100): Wolfpack, Spyder, Type V, Vortex, 
Crank, Storm, Frenzy, Blast, Rage

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Side Skirts (Body)
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Reputation: +3/?/?
400: Snyper, Ace
800 (39): Renegade, Shadow, Strike, Flash
1200(84): Wolfpack, Spyder, Type V, Vortex, 
Crank, Storm, Frenzy, Blast, Rage

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Spoiler
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Reputation: +3/+2/?
300: Flyte, Grifter
600(45): Drag, Switchblade, Touring, Aeromax
900(93): Trivo, Carbon X, Downforce, Aluminum GT, 
Boomerang, Hammerhead, Mako, Backdraft, Inferno, 
Supernova, Warhawk
Unique(77): Dual GT/Duotek/Katana

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Hood
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Reputation: +2/+2/+2
300: Tri-Slot, Speed
600: Double-V, Mongoose, Twister, Tri-Slot CF
900: Trident, Beast, Formula-Style, Duo Max, 
Trident CF, Beast CF, Double-V CF, Mongoose CF, 
Twister CF, Duo Max CF, G-Force CF
Unique(15): G-Force/Formula-Style CF/Speed CF

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Roof Scoops 
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Reputation: +3/+3
400: Dualslot, Polar
600: Ventrex, Blizzard, Rally, Gills, Offset, 
Galeforce, Dually 

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Rims 
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BBS, Enkei, Konig, Momo, O.Z., 
Racing Hart Wheels, NFSU

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Neon
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Reputation: +1/?/+1
200: Red, Green, Blue, Orange
400(18): Yellow, Aqua, White, Grape, Pink, Lime, 
Lavender, Gold
600(62, Neon Pulse): Red, Green, Blue, Orange, Yellow, 
Aqua, White, Grape, Pink, Lime, Lavender, Gold

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Headlights
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Reputation: +1
600 (60, Level 3): Eyelids, Voltage, Projector, Lunar

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Taillights
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Reputation: +1
600 (61, Level 3): Crimson, Chrome, Masked, Reaper

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Muffler Tip 
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200 (28, Level 2): Backlash, Livia, Ace, Vortex, Frenzy, Blast
300 (54, Level 3): Rumble, Thunderbolt, Rocket, Sonic

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Window Tinting 
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100 (Light x Tint): Black, Green
200 (29, Medium x Tint): Black, Green, Blue, Red
300 (56, Dark x Tint): Black, Green, Blue, Red, Yellow, 
Aqua, Grape, Orange, Pink, Lime, Lavender, Gold

====================================================================================

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***********************************II. Performance**********************************
====================================================================================

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Engine/Exhaust Package
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Increase Acceleration

Street Performance (500, unlock in Challenge 6)
Kit Contents: 
Cold Air Intake System
Cat-Back Exhaust System
Replace Headers
Brand Package 1: 
AEM, Aerospeed, DC Sports, Injen Technology, HKS USA
Brand Package 2:
NEUSPEED, Jackson Racing, HP Racing, Stillen, Venom
Brand Package 3:
Skunk2 Racing, Borla, A'PEXi, GReddy
Brand Package 4:
5Zigen, Skunk2 Racing, A'PEXi

Pro Performance (1000, unlock in Challenge 30)
Kit Contents: 
Mild Camshaft & Cam Gears
High Performance Throttle Body
High Flow Intake Manifold
Larger Diameter Flowpipe
Brand Package 1: 
AEM, Jackson Racing, A'PEXi, GReddy, Venom
Brand Package 2: 
Arospeed, NEUSPEED, Skunk2 Racing, Borla, Injen Technology
Brand Package 3: 
DC Sports, HKS USA, HP Racing, Stillen
Brand Package 4: 
Scorpion Exhausts, Henshin Auto, DC Sports

Extreme Performance (2000, unlock in Challenge 66)
Kit Contents: 
Replace Piston & Rods
Racing Camshaft & Cam Gears
Port & Polish Heads
Blueprint the Block
Low Restriction, High Flow
Headers Installed
Brand Package 1: 
AEM, NEUSPEED, Jackson Racing, Venom, Arospeed
Brand Package 2: 
Greddy, Skunk2 Racing, A'PEXi, Borla, HKS USA
Brand Package 3: 
DC Sports, Injen Technology, HP Racing, Stillen

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Drivetrain Packages
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Street Performance (500, unlock in Challenge 6)
Kit Contents:
Short Throw Shift Kit
Shifter Stabilizer Kit
Replace Clutch
Lightened Flywheel
TIP: For best results, install 
an Engine/Exhaust, 
Turbo or ECU Upgrade first.
Brand Package 1: Arospeed, Clutchmasters, Stillen
Brand Package 2: NEUSPEED, DC Sports, ACT
Brand Package 3: Jackson Racing, HKS USA, Stillen

Pro Performance (1000, unlock in Challenge 30)
Kit Contents:
Limited Speed Differential
High Performance Clutch
TIP: For best results, install an 
Engine/Exhaust, 
Turbo or ECU Upgrade first.
Brand Package 1: ACT, NEUSPEED, Arospeed
Brand Package 2: Jackson Racing, Stillen, HKS USA
Brand Package 3: HKS USA, NEUSPEED, Jackson Racing

Extreme Performance (2000, unlock in Challenge 66)
Kit Contents:
Six-speed transmission
Lightweight & Strengthen Driveshaft
TIP: For best results, install an 
Engine/Exhaust, Turbo or 
ECU Upgrade first.
Brand Package 1: DC Sports, ACT, NEUSPEED
Brand Package 2: Jackson Racing, Stillen, HKS USA
Brand Package 3: NEUSPEED, ACT, DC Sports

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Tires
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Increase Handling

Street Performance (500, unlock in Challenge 6)
Kit Contents: Street Performance Tire Package
Brand Packages: Toyo Tire, Yokohama, Kumho

Pro Performance (1000, unlock in Challenge 30)
Kit Contents: Pro Performance Tire Package
Brand Packages: Toyo Tire, Yokohama, Kumho

Extreme Performance (2000, unlock in Challenge 66)
Kit Contents: Extreme Performance Tire Package
Brand Packages: Toyo Tire, Yokohama, Kumho

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E.C.U. and Fuel System
----------------------
Increase Acceleration and Top Speed

Street Performance (1000, unlock in Challenge 9)
Kit Contents: 
Performance Chip
Brand Package 1: Jackson Racing, Venom, Stillen
Brand Package 2: AEM, GReddy, Skunk2 Racing
Brand Package 3: A'PEXi, Jackson Racing, Stillen

Pro Performance (2000, unlock in Challenge 38)
Kit Contents: 
High Flow Fuel Pump, Adjustable Fuel Pressure Regulator, 
Replace Fuel Rail, Replace Fuel Filter
Brand Package 1: Venom, AEM, GReddy
Brand Package 2: Stillen, Jackson Racing, Skunk2 Racing
Brand Package 3: A'PEXi, Stillen, Venom

Extreme Performance (4000, unlock in Challenge 80)
Kit Contents: 
Stand Alone Engine Management Unit, Replace Fuel Injectors
Brand Package 1: Jackson Racing, AEM, GReddy
Brand Package 2: Stillen, A'PEXi, Venom
Brand Package 3: Venom, Skunk2 Racing, Stillen

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Turbo Package
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Brand Packages: HKS USA, GReddy, Stillen, A'PEXi, Turbonetics

Street Performance (1000, unlock in Challenge 9)
Increase Acceleration
Kit Contents: Stage 1 Turbo Kit

Pro Performance (2000, unlock in Challenge 38)
Increase Acceleration and Top Speed
Kit Contents: Stage 2 Turbo Kit with Intercooler

Extreme Performance (4000, unlock in Challenge 80)
Kit Contents: Stage 3 Turbo Kit

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Brake Kits
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Increase Handling

Street Performance (1000, unlock in Challenge 9)
Kit Contents: 
Street Compound Brake Pads
Steel Braided Brake Lines
Cross Drilled Rotors
Brand Package 1: AEM, Stillen, Brembo
Brand Package 2: KVR Performance, NEUSPEED, Jackson Racing
Brand Package 3: Arospeed, HP Racing, Wilwood Engineering

Pro Performance (2000, unlock in Challenge 38)
Kit Contents: 
Large Cross Drilled Rotors
Race Compound Brake Pads
Brand Package 1: AEM, NEUSPEED, Jackson Racing
Brand Package 2: KVR Performance, Stillen, Wilwood Engineering
Brand Package 3: Arospeed, Brembo, HP Racing

Extreme Performance (4000, unlock in Challenge 80)
Kit Contents: 
Large Cross Drilled and Slotted Rotors
Four-piston Racing Calipers
Brand Package 1: AEM, KVR Performance, Arospeed
Brand Package 2: NEUSPEED, Stillen, Wilwood Engineering
Brand Package 3: Jackson Racing, Stillen, HP Racing

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Weight Reduction Kits
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Increase Acceleration and Handling

Street Performance (750, unlock in Challenge 14)
Kit Contents: 
Remove Rear Seats
Remove Interior Panels
Remove Spare Tire
Brand Packages: Sparco

Pro Performance (1500, unlock in Challenge 48)
Increase Acceleration and Handling
Kit Contents: 
Replace Rear and Side Windows with lightweight polycarbonate
Replace Front Seats with Lightweight Racing Seats
Brand Packages: Sparco

Extreme Performance (3000, unlock in Challenge 91)
Kit Contents: 
Replace Doors and Trunk Lid with Lightweight materials
Cut and Foam Fill excess Frame and Interior components
Brand Packages: Sparco

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Suspension Package
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Street Performance (750, unlock in Challenge 14)
Increase Handling
Kit Contents: 
Sport Performance Springs and Shocks
Strut Tower Bar
Brand Package 1: Arospeed, Eibach, HKS USA, Stillen
Brand Package 2: NEUSPEED, Skunk2 Racing, Apex Springs, Bilstein
Brand Package 3: H&R Springs, KONI, KYB America, HP Racing, A'PEXi

Pro Performance (1500, unlock in Challenge 48)
Increase Handling
Kit Contents: 
Front and Rear Sway Bar
Front and Rear Tie Bar
Upgrade Bushings
Brand Package 1: HKS USA, Stillen, Skunk2 Racing, KONI
Brand Package 2: Arospeed, NEUSPEED, Apex Springs, HP Racing
Brand Package 3: Eibach, Bilstein, H&R Springs, DC Sports, A'PEXi

Extreme Performance (3000, unlock in Challenge 91)
Kit Contents: 
Coil Over Shock System with adjustable Pillow Mounts
Brand Package 1: Eibach, Stillen, Bilstein, KONI
Brand Package 2: HKS USA, NEUSPEED, Skunk2 Racing, DC Sports
Brand Package 3: Arospeed, Apex Springs, H&R Springs, A'PEXi, HP Racing

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Nitrous Oxide
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Street Performance (750, unlock in Challenge 14)
Kit Contents: Dry Shot of Nitrous Oxide
Brand Packages: Nitrous Express, NOS

Pro Performance (1500, unlock in Challenge 48)
Kit Contents: Wet Shot of Nitrous Oxide
Brand Packages: Nitrous Express, NOS

Extreme Performance (3000, unlock in Challenge 91)
Kit Contents: Direct Port of Nitrous Oxide
Brand Packages: Nitrous Express, NOS

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