Flapper Trumpet Exhaust Ports - Polished Aluminum & Brass Chrome

Flapper exhaust port restricts the water from entering the exhaust system on jet pump or other installations where water may tend to back up into the exhaust system and damage the motor. Available in selected sizes in polished aluminum or chrome plated brass to fit flexible exhaust hose. Furnished with studs, nuts, and washers to blind fasten from inside the transom.