This exhaust port is designed for use with MerCruiser engines and is a vital component for any boat's exhaust system. It is compatible with a range of different MerCruiser models and is made from high-quality materials to ensure durability and longevity. This item is perfect for anyone looking to upgrade their boat's exhaust system or for those in need of a replacement part. It is easy to install and use, and will provide a reliable and efficient performance for many years to come.