Do you find yourself lying awake at night, horrified by visions of your swollen, plastic blob of an overflow tank? Well we're here to help you rest easy with the Mishimoto 2013-2021 BRZ / FR-S / GT86 coolant overflow tank. Stock plastic tanks are prone to failure due to repeated hot and cold cycles, and they create a horrible eyesore as they lurk in your engine bay. Mishimoto's 2013-2021 BRZ / FR-S / GT86 coolant overflow tank is constructed from durable, TIG-welded aluminum for optimal aesthetics and longevity. Included with this 2013-2021 BRZ / FR-S / GT86 coolant overflow tank is a sight glass for easy checking of coolant levels. With the choice of two finishes, polished or anodized black, this tank will have no problem matching the style of your engine bay. This 2013-2021 BRZ / FR-S / GT86 coolant overflow tank fits perfectly with the stock or Mishimoto 2013-2021 BRZ / FR-S / GT86 radiators. As with all Mishimoto parts, this overflow tank includes the Mishimoto Lifetime Warranty.