Torque Solution Billet Coolant Tank | Subaru WRX/STI 02-21, Forester XT 04-08 (TS-SU-679BK)2002 2007 Subaru WRX, 2004 2021 Subaru WRX STI, and 2004 2008 Subaru Forester XT Coolant Expansion Tank by Torque Solution Torque Solution Coolant Expansion Tank for Subaru WRX 02 07 STI 04 22 Forester XT 04 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 the coolant system as usual due to the tank position. Works with