BoostMAX part number BX600023 for Ford Mustang 2.3L Ecoboost 2015-2021 has been issued ARB EO Number D-816-9.

ARB EO: D-816-9 the 2.3L petrol engine used in the Ford Mustang from 2015-2021.

BX600023 2015-2021 2.3L Ford Mustang (Gasoline, E85)

Link to the signed EO is below:

https://ww3.arb.ca.gov/msprog/aftermkt/devices/eo/d-816-9.pdf