Just finished replacing the wicker bill with the see-through version. It fit and looks great! Sorry for the dirty car; it's been raining today.
This is the original one. It's more reflective than the spoiler, which is why it looks like a bright color here.
The OEM wicker bill from behind the car:
The ZL1Addons.com two-piece wicker bill fit perfect! There was no hole adjustment necessary:
Both pieces installed:
From behind the car: