Mishimoto MMRT-WRX-01E Subaru WRX 2002-2007 / STI 2004-2016 Aluminum Coolant Expansion Tank, Silver Direct fit for the 20022007 WRX and 20042016 WRX STI Overall Height: 3.86" / Overall Width: 6.25" / Capacity: 776cc 100% aluminum, fully-welded construction for maximum durability 50% greater capacity than stock plastic expansion tank Mishimoto Lifetime Warranty