In January 2017 it was announced that the team would receive full factory support from Audi Sport for the 2017 World Rallycross Championship.

The team had previously been run with assistance from Audi Sport's official suppliers.

[3] After the 2018 season on December 10, EKS announced that it would end its rallycross factory program due to Audi pulling the funding.

For the 2020 FIA World Rallycross Championship, Ekström became a full-time driver for KYB Team JC, finishing runner-up with two wins.

The partnership was strengthened for the 2021 season, so the team was rebranded KYB EKS JC.