Steeda 2015-2021 Ford Mustang Aluminum Coolant Expansion Tank – Function Factory Performance

This Steeda S550 Coolant Expansion Tank for 2015-2021 Ford Mustang GT, EcoBoost, and V6 is a direct bolt on replacement to Ford’s OE two-piece coolant tank. It allows you to run a larger amount of coolant throughout your radiator. If you are running a larger aftermarket radiator this coolant expansion tank will help to keep your S550 cooler when pushing it on the track.