Aero Gauge

Change Vehicle Color
At the vehicle select screen, press R to change your vehicle's color.

In order to get this to work, you need two controllers plugged in. All Vehicles and tracks
(Note: You will need 2 controllers plugged in for this.)
1. Turn on the game and press Start on controller one until you see the screen that says "Push Start" (if you see "Grand Prix Mode," you're too far). 2. On controller 2, press Up on the D-Pad, C-Down, R, L, and Z all at the same time. Then release them. 3. Immediately press Start or the A-Button on Controller 1 to enter the Grand Prix mode. All tracks and cars should now be available (in all modes).

China Town Jam Track
Beat the Grand prix mode on expert getting 1st place in every race.

N64 Controller Car Beat a time attack mode with an ending of .064 seconds.

Dominator Car
Beat the game in expert mode using Black Lightning.

Prowler Car
Beat the game on expert mode with the Hornet Car.

Reaper Car
Beat the game on expert mode with the Shredder Car.

Vengance Car
Beat the game on expert mode with the Avenger Car.

Neo Speed Way track.
Race the Grand Prix mode on Intermediate skill winning 1st place on every track.

Turbo Boost
Hold down A in a race and drift hard right or hard left using Z. Let go of both buttons and you will get the boost.