RTR License Plate Surround w/ Ducts (13-14 Mustang - All) Ready To Rock! This is the same exact rear License Plate Surround that is included as original equipment on the Ford Mustang RTR designed and developed by Vaughn Gittin Jr. The RTR License Plate Surround features a modern aggressive twin duct design, making it the perfect addition to your modern muscle car. Quality ConstructionManufactured from OEM quality high-pressure injection molded high-strength thermal plastic olefin (TPO) for its long-lasting durability, this rear License Plate Surround includes pre-assembled E-coated metal mesh screen inserts in each duct opening. ApplicationThis RTR Rear License Plate Surround is the perfect appearance upgrade for all the 2013-2014 Mustangs, including the V6, GT, Boss and Shelby GT500 models. It does not interfere with the factory license plate light and is 50-state legal. Technical Note:This RTR License Plate Surround requires permanent modification of the rear factory fascia for installation.