Collection: Overflow and Expansion Tanks

Maintain optimal coolant levels and prevent overheating in your Subaru with high-quality overflow/expansion tanks from Subispeed. Our selection includes a range of tanks designed to provide additional coolant capacity and effectively manage coolant expansion during temperature changes. These tanks are especially beneficial for Subaru WRX, STI, Forester, or Crosstrek owners who have upgraded their cooling systems or participate in high-performance driving. By increasing the coolant volume and accommodating expansion, overflow/expansion tanks help regulate coolant temperatures and reduce the risk of engine damage. Choose from reputable brands like Mishimoto, Cusco, and Perrin Performance to ensure durable construction and precise fitment. Upgrade your Subaru's cooling system with an overflow/expansion tank from Subispeed and enjoy improved cooling efficiency and peace of mind during all driving conditions.