2017 mustang ecoboost 4th gear noise grinding

Hi, new here !! hope you are ok !!... i have a 2017 Mustang Ecoboost with manual transmission and I’m totally new on this platform, i know that the MT82 is noisy and clunky but this grindy/windy sound is kinda strange, only happens when you let off the gas pedal in 4th gear between 36mph to...