Firehouse Subs has their annual buy one sub, get one free deal for Tax Day starting Tuesday, April 17, 2018, and ending on April 19.
Just use This Firehouse Subs Coupon to get the deal. Good for one free medium sub when you buy a medium or large sub, chips and drink at regular price. The coupon, marking Tax Day, good April 17-19, 2018. Firehouse Subs announced the Tax Day deal in This Email.