{"product_id":"mishimoto-aluminum-expansion-tank-for-2013-2018-ford-focus-st-and-rs-wrinkle-blue","title":"Mishimoto Aluminum Expansion Tank for 2013-2018 Ford Focus ST and RS – Wrinkle Blue","description":"Add some reliability and engine bay styling to your Focus RS\/ST with the Mishimoto RS\/ST expansion tank. This tank features internal baffles to prevent coolant starvation from overflow ports on the engine. Also, during high speed cornering, braking, and acceleration, the internal baffles reduce coolant sloshing. The engineers at Mishimoto have included a sight tube to allow for proper observation of hot and cold coolant levels, making engine maintenance much easier.----Eventually, you'll have to consider the health of your plastic expansion tank. Plastic is prone to failure after years of constant temperature variations. The Mishimoto tank is constructed from durable, TIG-welded aluminum for optimal durability and longevity. It reuses the stock expansion tank cap and includes an overflow nipple on the fill neck for adding an additional coolant tank so your Focus RS stays NHRA legal. All areas of concern are covered with this upgrade.----It's worth noting the Focus's stock tank is an engine bay eye sore, whereas the Mishimoto tank comes in three different variants to help with aesthetic customization: black, wrinkle red, or Wrinkle Nitrous Blue. Each of these options works with both the 2013-2018 Focus ST and the new 2016-2018 Focus RS. For convenience, you can install your new coolant tank upgrade in under one hour as it was engineered with perfect fitment in mind. Like all our Focus RS parts, this expansion tank also includes the Mishimoto Lifetime Warranty.\nEngine coolant reservoir designed to store and regulate excess coolant for proper system operation. Durable construction resists heat and pressure, helping prevent leaks and maintain optimal temperature.\n\u003cul\u003e\n  \u003cli\u003eInternal baffle keeps coolant near overflow port during aggressive driving, preventing air entry into coolant system\u003c\/li\u003e\n  \u003cli\u003eSight tube allows for proper hot and cold coolant levels\u003c\/li\u003e\n  \u003cli\u003eInstalls in under one hour\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEnhance the reliability and appearance of your Ford Focus ST or RS with the Mishimoto MMRT-RS-16EWBL aluminum expansion tank. Constructed from TIG-welded aluminum, this durable coolant reservoir offers superior longevity compared to stock plastic tanks, which are prone to failure over time due to constant temperature fluctuations. Its robust build helps prevent leaks and maintains optimal engine temperature, ensuring your vehicle operates smoothly under demanding driving conditions. The tank reuses the stock cap and features an overflow nipple on the fill neck, allowing for additional coolant capacity to keep your Focus NHRA-legal and ready for high-performance use. \u003cbr\u003eFeaturing internal baffles, this expansion tank minimizes coolant sloshing during aggressive cornering, braking, and acceleration, while also preventing coolant starvation at overflow ports. A sight tube allows for easy observation of hot and cold coolant levels, simplifying routine maintenance and ensuring your cooling system remains properly filled. Designed for a perfect fit, installation can typically be completed in under an hour, making it an accessible upgrade for both enthusiasts and professionals. The Mishimoto aluminum tank is available in three aesthetic options—wrinkle black, wrinkle red, or wrinkle nitrous blue—so you can customize your engine bay to match your style. This upgrade not only improves engine bay appearance but also enhances overall cooling system performance, backed by Mishimoto's lifetime warranty. \u003cbr\u003eCompatibility spans various Ford Focus models from 2013 through 2018, including the Focus ST and Focus RS, ensuring a seamless fit and reliable upgrade for your vehicle's cooling system.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eConstructed from TIG-welded aluminum for durability and longevity\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eInternal baffle system prevents coolant starvation during high-speed maneuvers\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSight tube for easy monitoring of hot and cold coolant levels\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eReuses stock expansion tank cap for ease of installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes overflow nipple for additional coolant capacity\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEngineered for a perfect fit in under one hour\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eAvailable in three aesthetic variants: black, wrinkle red, or wrinkle nitrous blue\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBacked by Mishimoto's lifetime warranty\u003c\/li\u003e\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n2013 Ford Escape S\u003cbr\u003e\n2013 Ford Escape SE\u003cbr\u003e\n2013 Ford Escape SEL\u003cbr\u003e\n2013 Ford Escape Titanium\u003cbr\u003e\n2013 Ford Focus Electric\u003cbr\u003e\n2013 Ford Focus S\u003cbr\u003e\n2013 Ford Focus SE\u003cbr\u003e\n2013 Ford Focus ST\u003cbr\u003e\n2013 Ford Focus Titanium\u003cbr\u003e\n2014 Ford Escape S\u003cbr\u003e\n2014 Ford Escape SE\u003cbr\u003e\n2014 Ford Escape Titanium\u003cbr\u003e\n2014 Ford Focus Electric\u003cbr\u003e\n2014 Ford Focus S\u003cbr\u003e\n2014 Ford Focus SE\u003cbr\u003e\n2014 Ford Focus ST\u003cbr\u003e\n2014 Ford Focus Titanium\u003cbr\u003e\n2014 Ford Transit Connect Titanium\u003cbr\u003e\n2014 Ford Transit Connect XL\u003cbr\u003e\n2014 Ford Transit Connect XLT\u003cbr\u003e\n2015 Ford Escape S\u003cbr\u003e\n2015 Ford Escape SE\u003cbr\u003e\n2015 Ford Escape Titanium\u003cbr\u003e\n2015 Ford Focus Electric\u003cbr\u003e\n2015 Ford Focus S\u003cbr\u003e\n2015 Ford Focus SE\u003cbr\u003e\n2015 Ford Focus ST\u003cbr\u003e\n2015 Ford Focus Titanium\u003cbr\u003e\n2015 Ford Transit Connect Titanium\u003cbr\u003e\n2015 Ford Transit Connect XL\u003cbr\u003e\n2015 Ford Transit Connect XLT\u003cbr\u003e\n2016 Ford Escape S\u003cbr\u003e\n2016 Ford Escape SE\u003cbr\u003e\n2016 Ford Escape Titanium\u003cbr\u003e\n2016 Ford Focus Electric\u003cbr\u003e\n2016 Ford Focus RS\u003cbr\u003e\n2016 Ford Focus S\u003cbr\u003e\n2016 Ford Focus SE\u003cbr\u003e\n2016 Ford Focus ST\u003cbr\u003e\n2016 Ford Focus Titanium\u003cbr\u003e\n2016 Ford Transit Connect Titanium\u003cbr\u003e\n2016 Ford Transit Connect XL\u003cbr\u003e\n2016 Ford Transit Connect XLT\u003cbr\u003e\n2017 Ford Focus Electric\u003cbr\u003e\n2017 Ford Focus RS\u003cbr\u003e\n2017 Ford Focus S\u003cbr\u003e\n2017 Ford Focus SE\u003cbr\u003e\n2017 Ford Focus SEL\u003cbr\u003e\n2017 Ford Focus ST\u003cbr\u003e\n2017 Ford Focus Titanium\u003cbr\u003e\n2017 Ford Transit Connect Titanium\u003cbr\u003e\n2017 Ford Transit Connect XL\u003cbr\u003e\n2017 Ford Transit Connect XLT\u003cbr\u003e\n2018 Ford Focus Electric\u003cbr\u003e\n2018 Ford Focus RS\u003cbr\u003e\n2018 Ford Focus S\u003cbr\u003e\n2018 Ford Focus SE\u003cbr\u003e\n2018 Ford Focus SEL\u003cbr\u003e\n2018 Ford Focus ST\u003cbr\u003e\n2018 Ford Focus Titanium\u003cbr\u003e\n2018 Ford Transit Connect Titanium\u003cbr\u003e\n2018 Ford Transit Connect XL\u003cbr\u003e\n2018 Ford Transit Connect XLT\u003cbr\u003e\n2019 Ford Transit Connect Titanium\u003cbr\u003e\n2019 Ford Transit Connect XL\u003cbr\u003e\n2019 Ford Transit Connect XLT\u003cbr\u003e\n2020 Ford Transit Connect Titanium\u003cbr\u003e\n2020 Ford Transit Connect XL\u003cbr\u003e\n2020 Ford Transit Connect XLT\u003cbr\u003e\n2021 Ford Transit Connect Titanium\u003cbr\u003e\n2021 Ford Transit Connect XL\u003cbr\u003e\n2021 Ford Transit Connect XLT\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; 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