Buy one sub and get another free with this Firehouse Subs coupon good starting Monday, April 15, 2019.
CLICK HERE for your Firehouse Subs Coupon. Print or show on your smartphone to redeem. Good for one free medium sub when you buy a medium or large sub, chips and drink at regular price. The coupon is good April 15-17, 2019. Firehouse announced the Tax Day special in This Email.