Firehouse Subs3003 N. President George Bush FwyOpen now$3.49delivery feeMerchant adds a to-go fee to all ordersFeaturedNew!Hot Specialty SubsBuild Your Own SubCold SubsSaladsKids' CombosSidesDrinksCold SubsTuna Salad SubA blend of tuna, mayo, relish and black pepper topped with provolone, served fully involved (mayo, lettuce, tomato, onion, deli mustard, and a pickle spear on the side).$6.90