The passion fruit-infused Mountain Dew Baja Midnight arrives August 14, with a special free drink offer for rewards members the following day.

For the first time in 20 years, Taco Bell is making its first-ever permanent flavor expansion of the beloved Baja Blast. Baja Midnight is an “unexpected” purple twist on the iconic tropical lime beverage, blending the taste that fans already love with passion fruit flavor — a fruity spin on the citrusy classic.

Taco Bell unveiled on Aug. 12 a new flavor of Mountain Dew Baja Blast. Here's what it is and when customers can order the new flavor.