Ayumi Kan street cars

The KaraSugoi street cars are two of the various background vehicles featured in the Casa Cristo 5000 race from the Speed Racer film.

Technical Details
As mentioned in the Supercharged featurette, KaraSugoi is the company responsible for making the 26-cylinder hotblock used in Grey Ghost's race car, the Fumée, meaning it is very likely that these cars also use this component.

Background
Three KaraSugoi cars can be seen at the start of the Casa Cristo race.

White, blue and yellow car
Parked on the first row, this KaraSugoi car has a white, blue and yellow livery. The number 8 can be seen on its hood. Once the race starts, it scrapes against a Shockwave car and loses a bit of its advantage. Afterwards, however, it disappears from the race.

White, red and pink car
Parked on the fifth row, this KaraSugoi car has a white, red and pink livery. It can be seen in some scenes before and after the race starts, but just like its teammate, it isn't seen anymore throughout the race.

White, blue and orange car
Parked on the ninth row, this KaraSugoi car has a white, blue and orange livery. It can be seen in some brief moments but never as a focus before the race starts. Afterwards, it isn't seen anymore.

Trivia

 * There exists concept art for a T-180 version of a KaraSugoi car, although it likely does not appear in the film itself.
 * This car has the same body shape as the Early-generation T-180 D.
 * It also has the same body shape as an earlier design for the Hydra-Cell street car seen in the U.B. Funkeys game.