TestingArby's
Arby's Sub Stackers: All 4 Sandwiches, Prices and Where to Find Them
Four loaded sandwiches on a new mozzarella-topped Stacker Bread, in regular or large. Here is every sandwich, what it costs and where you can find one.
Spotted Oct 15, 2026 · Test markets: St. Louis area (MO), select Michigan stores, Longmont (CO)