Malibu/Axis PNP 550 lbs Rear FatSacFor those looking to push the limits of whats possible on the water, FatSac's plug and play ballast bags are the easiest way to upgrade your wake. Compatible with almost every Malibu and Axis boat since 2010, these bags plug into the existing connectors in your storage compartments and you're ready to go! And since they lie flat when not in use you'll never feel like you're sacrificing storage space. These 550 lb sacs fit perfectly inside the storage