Questions for Truck Hardware Gatorback 12"x23" Black Bowtie Cut Mud Flaps

These are sold as a pair, but full sets can be found here, https://www.sharptruck.com/gatorback-chevy-black-bowtie-mud-flaps

The front flaps on the 2018 Silverado do not need brackets if you have stock tires. You can install them with the 4 factory existing screws in the lip of the fender or the flaps also come with self tapping screws that can be used as well.