The ducts are great with pre lci and looks best without grills. I cut the tabs for OEM grills and fitted IS water cooler at the same time. See images.
https://www.dropbox.com/s/13fbmbzhb3...08.54.jpg?dl=0
https://www.dropbox.com/s/ia3gpus7ef...32.12.jpg?dl=0
https://www.dropbox.com/s/pyzfe64ibk...00.41.jpg?dl=0
The orange hoses are brake cooling and has nothing to do with this mod.