If you've got a craving for Firehouse Subs, save yourself a little extra money using one of these 4 coupons in May. Firehouse Subs is one of the fastest growing chains in the country, and with one look at their menu it's easy to see why. Their signature hot and cold subs are sure to satisfy even the pickiest of eaters, and they also have options like fresh salads and their famous chili.
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