Bravo I XS is designed for Mercury V-6 OptiMax (high-performance and high gearcase height), OptiMax XS, and OptiMax Pro XS outboards.(pre 2013 Torque Master II gearcase, consider Bravo I FS with PVS)
The dual holes enable the user to fine-tune the amount of venting needed for quick planing.
The shortened exhaust tube provides greater top-end speed while minimizing stern lift for improved boat handling and performance.
Hub kit not included:
Boat Types: Bass, Catamaran, Center Console, Inshore fishing (bay, flats), Multi-species, Offshore fishing, Sport boat / Performance Boat