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with purchase of a medium or large sub, chips and drink Phone, Carry out or Dine-in only. Valid only at participating U.S. FIREHOUSE SUBS restaurants. One per customer. Not combinable with any other coupons or offers. Must present coupon at time of purchase. Void where prohibited or if reproduced, altered, sold or transferred. Tax extra. Substitutions and modifications may be extra. Cash value 1/100. Not valid on FirehouseSubs.com, FIREHOUSE SUBS App mobile or delivery orders. TM & 2023 FRG, LLC. All rights reserved. Offer expires 5/23/25. Code : SUB$SUBCOMBO