Need For Speed Underground [xbox Classic] Access

: Use your nitrous on long straights or immediately after a crash/spin to regain speed quickly. In drag races, timing your shifts to hit "Perfect" is more important than when you use nitro. Cheat Codes (Xbox Classic)

: While all cars can be upgraded to remain competitive, lighter cars like the Mazda RX-7 or Acura RSX often excel in drift and circuit events due to their handling. Need for Speed Underground [Xbox Classic]

: Left, Left, Left, Left, Right, White, R, Black : Use your nitrous on long straights or

: You unlock standard performance parts as you progress. However, the most powerful "Unique" performance packages are only obtainable by beating TJ's Time Trial events .