Club Sub is #8: A meaty concoction of applewood smoked bacon, turkey, ham, provolone cheese, and a dash of mayo. Club Supreme is #9: roast beef, turkey, Swiss cheese, applewood smoked bacon, and mayo. The 8.5 simply blends the two. Traditionally, this involves adding roast beef to the Club Sub, but there's nothing stopping you from putting ham in the Club Supreme - utter chaos, right?
Ordering hacks at Taco Bell reveal ways to enjoy meals for less by creatively swapping menu items. For example, mimicking the Beefy 5-Layer Burrito is possible by modifying a Cheesy Bean and Rice Burrito for only $2.79 total, translating to a savings of $2.20 compared to the original.