The Three-Piece FAE has the lowest shipping costs as it will fit into a smaller box. It is also the most adjustable; though that is seldom necessary. There is no performance differences between the FAE styles.
The FAE-T has a cleaner look. This is a custom, one-piece stainless steel FAE. There is no performance differences between the FAE styles. Due to variations between same model boats, measurements are needed and those instructions will be emailed to you.
The appearance of the FAE-Y speaks for itself. This is a custom, one-piece stainless steel FAE. There is no performance differences between the FAE styles. Due to variations between same model boats, measurements are needed and those instructions will be emailed to you.