Mishimoto Reservoir Tank for Subaru STI 2008+ Aluminum Coolant Expansion

Mishimoto Reservoir Tank for Subaru STI 2008+ — Aluminum Coolant Expansion Upgrade cooling performance and style with the Mishimoto Reservoir Tank designed specifically for the Subaru WRX/STI 2008 and newer. This polished aluminum coolant expansion tank replaces the stock plastic unit with a durable, high-flow solution engineered for performance applications and daily driving alike. Vehicle fitment: Subaru WRX/STI 2008+ Material: Billet polished aluminum for corrosion resistance and long life Direct-fit replacement: Uses OEM mounting points for easy installation Improved cooling efficiency: Larger capacity and optimized neck design reduce pressure spikes and help maintain stable coolant temperatures Track-ready construction: TIG-welded seams and OEM-quality finish withstand high temperatures and vibration This Mishimoto overflow tank not only enhances engine bay aesthetics with a polished aluminum finish, it also improves reliability compared to factory plastic tanks that can deform over time. Ideal for enthusiasts upgrading intercooling, radiators, or running higher boost and temps. Why choose Mishimoto: Built by a trusted performance cooling brand, this reservoir tank comes backed by Mishimoto’s quality standards and fitment assurance for Subaru STI owners seeking a functional, stylish upgrade.