ðiːz mˌɑːdɪfɪkˈeɪʃənz wɜːɹ ˈɔːlsoʊ ɪŋkˈoːɹpɚɹˌeɪɾᵻd ɔnðə ɹˈeɪs kˈɑːɹz ɔːlbˈiːɪt wɪððɪ ɐdˈɪʃən əvə fˈɪkst ɹˈɪɹ wˈɪŋ ɪnstˈɛd əvə dˈʌkteɪl spˈɔɪlɚ.
These modifications were also incorporated on the race cars albeit with the addition of a fixed rear wing instead of a ducktail spoiler.