Torque Solution Coolant Expansion Tank Black - Subaru WRX 01-07/STI 01-21/FXT 03-08Torque Solution Coolant Expansion Tank for Subaru WRX 01 07 STI 01 22 Forester XT 03 08 replaces the OEM black plastic tank which can fail with a beautifully machined billet aluminum tank. Mounts in the stock location so you can rest assured you will be able to burp as usual due to the tank position. Works with the OEM expansion tank cap. Features: CNC'd 6061 Billet Aluminum Anodized w Torque Solution Logo Stainless Steel Install Hardware Limited