2018-2023 Mustang GT 5.0 Cold Air Kit. Black MAF Housing. Up to 20 whp gain; Tune Required. Dyno Tune or Handheld Flash Tune is required to add the transfer function for the Mass Air Flow Sensor.
Not legal for sale or use in California on any pollution controlled vehicle
https://pmas-maf.com/wp-content/uploads/2018/07/PMAS-MT14-2018-Mustang-Instructions.pdf