I saw a car smoking badly towards the end of race 2 but couldnt gain on it so probably didnt impact their speed too much I didnt have any tape on
Information on the heat haze problem from the latest S397 June Roadmap release https://www.studio-397.com/2019/06/roadmap-update-june-2019/ Temporarily we’ve disabled the heat haze effect as it was rendering incorrectly. We are working on a proper fix, it will be back soon.