1. Press and hold R and the joystick while turning. (Left or Right it doesn't matter)
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2. Behind the car dust should be coming out in the form of a V then it will change to a gray E.
3. (If turning left) Click the control stick right then back left. The E's should now turn yellow.
4. Repeat and the E's should turn red.
5. Release R and you car will get a burst of speed.
6. Note the moving of the stick changes how hard your car is turning, keep your car in control.
7. Try this trick on Rainbow Road, you can do it three or four times in one turn. (This is essential for beating the computer in the harder levels)