Red Bull Slushes are officially back on the menu at Sonic just in time for summer, and to celebrate, the brand is running a promotion where you can score a free medium Red Bull Slush with any in-app purchase through June 26, 2022.
To take advantage of the deal, simply make any purchase through the Sonic app and you can add a free medium Red Bull Slush to your order.
Just be aware that you must apply the app reward at checkout with a limit of one free medium Red Bull Slush per user. The offer is valid for the brand’s classic Red Bull flavor or the new Summer Edition flavor – Strawberry Apricot.
Red Bull Slushes feature Sonic Slush mixed with Red Bull Energy Drink or Red Bull Summer Edition Strawberry Apricot.
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