Need for Speed: Underground Rivals Cheats

Cheat Codes
[L1], [L1], [L1], [R1], [R1], [R1], [Left], [Right]: Give Acceleration X2, Torque X6, Power X2, Handling X9, All Type Grip X99000000
[R1], [R1], [R2], [R2], [Right], [Right], [Left], [Left]: Unlock DJ Wess's Chevrolet Corvette Z06
[L1], [L1], [L2], [L2], [Left], [Left], [Right], [Right]: Unlock GT King's Nissan Skyline R34 GTR
[R1], [L1], [R2], [L2], [Right], [Left], [Right], [Left]: Unlock Tank 1969 Dodge Charger
[L1], [R1], [L2], [R2], [Left], [Right], [Left], [Right]: Unlock Triple Dub Subaru Impreza WRX STi

Unlockable Boss Cars
There are 4 boss cars to unlock in the game:

Tank: 1969 Dodge Charger
Triple Dub: Subaru Impreza WRX STi
DJ Wes: Chevrolet Corvette Z06
GT King: Nissan Skyline R34 GTR

These cars are unlocked by beating them in Boss Races and are placed in a special location in your Pocket Garage.

The boss car the game chooses to race against you depends on the level of the race and the car you are using. You need to defete the same boss car in multiple different Boss Races in order to unlock that car. You can choose from any of the Boss Races in Circuit Mode and Street Cross and Drag from Quick Play.

DJ Wes: Chevrolet Corvette Z06 - Race against this Boss Car in a TROPHY-Level Boss Race using a JAPANESE car.
GT King: Nissan Skyline R34 GTR - Race against this Boss Car in a TROPHY-Level Boss Race using an AMERICAN car.
Tank: 1969 Dodge Charger - Race against this Boss Car in a CUP-Level Boss Race using a JAPANESE car.
Triple Dub: Subaru Impreza WRX STi - Race against this Boss Car in a CUP-Level Boss Race using an AMERICAN car.