• Perfect Start Earns 12 Combo : 
    If you achieve a perfect start, your combo will instantly jump to 12 combo
  • Perfect Start Earns 20 Combo :
    If you achieve a perfect start, your combo will instantly jump to 20 combo
  • (2x) Race Start Accuracy:
    Doubles your timing accuracy at the race start, increasing the likelihood of a perfect start

https://www.youtube.com/watch?v=1MPoJ0Gh-so