Submarine pieces are of course submarine parts that you will be able to find under the water once you have purchased the Sonar Dock Collections and Michael has done the Strange and Freak mission that you can find there. Abigail will ask you to find these Submarine Pieces. Your reward is $10 and a picture of her husband that Michael throws away.
Related ThreadsSubmarine pieces locations - side mission - last post by @ Mar 22, 2014
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