COBB [15-21 WRX/STI] Coolant Overflow Tank

COBB Tunings Subaru Coolant Overflow Tank upgrades the factory plastic reservoir on 20152021 Subaru WRX and WRX STI models with a durable, space-efficient aluminum design that improves engine-bay appearance and makes room for front-mount intercooler piping while retaining OEM capacity.

• TIG-welded aluminum tank with internal and external anodizing
• Maintains OEM 1L coolant capacity
• Relocated mounting position works on stock cars and with aftermarket front-mount intercoolers
• Custom heat-resistant Delrin cap
• Silicone adapter hose and injection-molded washer-fluid reservoir cap included
• Single-fastener removal and re-installation for easy service
• Product code: 800660
• References: COBB Subaru Coolant Overflow Tank STI 20152021, WRX 20152021