Double Your Order of KFC's Grilled Wings For FreeDFW residents, you’re in luck if you’re in the mood for wings – KFC has released a coupon that doubles your order of their new Fiery Grilled Wings for free. This offer is good through Aug. 11, on orders of 5, 10 or 20 wings. The coupon has a list of participating DFW locations on it. Several are in FW or nearby.