racingmodification

noun
UK /ˈreɪsɪŋ ˌmɒdɪfɪˈkeɪʃən/
US /ˈreɪsɪŋ ˌmɑːdɪfɪˈkeɪʃən/

A change made to a car to make it go faster in races.

The team added a racingmodification to the engine before the big race.


OTHER MEANINGS

2. A special part added to a vehicle for racing.

He bought a racingmodification for his bike's brakes.

3. The act of changing something so it works better in a race.

Racingmodification of the tires took all afternoon.

4. A change made to a video game car to make it faster.

She unlocked a racingmodification for her favorite game car.