Aero Gauge Codes -

China Town Jam track:
Complete Grand Prix mode in first place on each track under the "Expert" difficulty level.

Neo Speed Way track:
Complete Grand Prix mode in first place on each track under the "Intermediate" difficulty level.

Nintendo 64 controller vehicle:
Begin game play in time attack mode. Keep racing until obtaining a time that ends in .064 seconds. Press R when selecting this vehicle to change colors from red, green, blue, black, or yellow.

Dominator vehicle:
Complete the game in first place with the Black Lightning under the "Expert" difficulty level.

Prowler vehicle:
Complete the game in first place with the Hornet under the "Expert" difficulty level.

Reaper vehicle:
Complete the game in first place with the Shredder under the "Expert" difficulty level.

Vengeance vehicle:
Complete the game in first place with the Avenger under the "Expert" difficulty level.

All tracks and vehicles:
Hold L + R + Z on controller two before the title screen appears. Keep those buttons held, then quickly press and release Up + C-Down on controller two when "Push Start" flashes on the title screen. Then, press Start on controller one before the title screen disappears. Note: The timing of this code is particularly sensitive; all buttons must be pressed and released at exactly the same time as indicated.

Alternate vehicle color:
Highlight a vehicle on the selection screen, then press R.

Quick start:
Hold A + B before the race begins. Release B immediately after the commentator says "Ready".

Turbo:
Begin game play and hold A to speed up. Hold Z and press Analog-stick Left or Analog-stick Right, release A and Z, then quickly press A + Z. A sound will confirm correct code entry.

Faster Grand Prix credits:
Press Start when the credits appear after a Grand Prix.