In addition to the customisation aspect there's the ability to reactivate the patrols that were once at the outposts themselves. This is a huge improvement over FC3 where once you'd cleared the map of goons and their imprisoned tigers, there wasn't a huge amount left to do. Now upon killing all inside you can trigger a contextual prompt that appears near the outpost itself, which will activate a score-tracker and let you redo different infiltration methods to then compare with friends or online.