stacks on STACKS 💯 get two 6" subs for $9.99 today with the code 2SUB999 on the App. which fave are u ordering for delivery? tell us 🔽 *Redeemable at participating restaurants for app/online orders only. Use code: 2SUB999. Extras additional. 1 use per order. Plus tax. No additional discounts. Expires 09/04/22.Delivery, service & small order fees apply.