An evacuation system may comprise a first plurality of tubes configured to inflate by an aspirator and pressure cylinder upon deployment from an aircraft. The evacuation system may further comprise a second plurality of tubes coupled to the first plurality of tubes. The second plurality of tubes may be configured to be in deflated state when the evacuation system is in a slide configuration. The second plurality of tubes may be configured to be in an inflated state when the evacuation system is in a raft configuration.