Today I installed a silicone hose from a British company called Ramair. Since I installed it on 2016 I picked up an intake conversion from Maperformance, but this can be easily made with the factory vacuum hose connectors and a one way check valve.
http://m.ebay.com/itm/Black-Ramair-...K7-Ecoboost-/272395549235?txnId=1748540818017
http://m.ebay.com/itm/Black-Ramair-...K7-Ecoboost-/272395549235?txnId=1748540818017