Some performance models include red calipers, but you can have your car retrofitted with red calipers. Tesla’s retrofit cost has been $3100 in the past. You might also find a third-party shop that can do the work at a lower cost. (Apr-2021 update)
Evannex caliper covers for the Model 3 (out of production).
Evannex caliper covers for the Model Y (out of production).