Add some additional reliability and engine bay styling with the Mishimoto Coolant Expansion Tank for 2015 and newer V6, V8, and EcoBoost Mustangs! The Mishimoto Mustang expansion tank has internal baffles to avert coolant starvation from overflow ports to engine. In addition, while cornering, braking, and accelerating at high speeds, the internal baffles helps stop the sloshing of coolant. The engineers at Mishimoto have installed a sight glass that helps for maintaining correct hot and cold coolant levels. The factory coolant expansion tanks is not the most visually appealing aspect of the engine bay. Mishimoto knows this. To improve its appearance, they offer it in polished or anodized black. Either finish will instantly add appeal to your engine bay. To make things easier on you, this tank can be installed in under one hour! Mishimoto engineered it to work with the stock expansion tank cap and included an overflow nipple on the fill neck for adding an additional coolant tank so your Mustang is NHRA legal. Plastic expansion tanks are known to have failures after years of constant temperature changes, so the Mishimoto tank is constructed out of strong and tough, TIG-welded aluminum for the highest levels of durability and longevity. The Mishimoto V6, V8, and EcoBoost Mustang expansion tank is engineered for exact fitment in 2015 and newer Mustang, and as with all their 2015 Mustang parts, this expansion tank includes the Mishimoto Lifetime Warranty.