Firehouse Subs Sweet & Spicy Meatball Subs contain between 480-1380 calories, depending on your choice of option. The option with the fewest calories is the Small Sweet & Spicy Meatball Sub (480 calories), while the Large Sweet & Spicy Meatball Sub contains the most calories (1380 calories).
Choose from the options below to see the full nutrition facts, ingredients and allergen information.
