• COBB 2015-2021 WRX/STI Coolant Overflow Tank | Subaru WRX/STI (800660)
  • COBB 2015-2021 WRX/STI Coolant Overflow Tank | Subaru WRX/STI (800660)
  • COBB 2015-2021 WRX/STI Coolant Overflow Tank | Subaru WRX/STI (800660)
  • COBB 2015-2021 WRX/STI Coolant Overflow Tank | Subaru WRX/STI (800660)
  • COBB 2015-2021 WRX/STI Coolant Overflow Tank | Subaru WRX/STI (800660)
  • COBB 2015-2021 WRX/STI Coolant Overflow Tank | Subaru WRX/STI (800660)
  • COBB 2015-2021 WRX/STI Coolant Overflow Tank | Subaru WRX/STI (800660)
  • COBB 2015-2021 WRX/STI Coolant Overflow Tank | Subaru WRX/STI (800660)
  • COBB 2015-2021 WRX/STI Coolant Overflow Tank | Subaru WRX/STI (800660)
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COBB 2015-2021 WRX/STI Coolant Overflow Tank | Subaru WRX/STI (800660)

COBB 2015-2021 WRX/STI Coolant Overflow Tank | Subaru WRX/STI (800660)

800660

In stock

$290.00 USD
$290.00 USD $290.00 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The COBB Coolant Overflow Tank for 2015–2021 Subaru WRX and STI models is a high-quality replacement designed to enhance both the appearance and functionality of the engine bay. Crafted as an upgraded alternative to the OEM tank, it addresses the common issues of cheap plastic construction by offering a more durable and visually appealing solution. This tank is particularly beneficial when installing an aftermarket front-mounted intercooler, as it provides the necessary clearance for the charge pipe without compromising coolant overflow capacity. Its design balances affordability with improved materials, making it a practical upgrade for stock or modified vehicles seeking enhanced engine bay aesthetics and reliability.

This coolant overflow tank fits Subaru WRX and STI models from 2015 through 2021, ensuring compatibility across multiple generations of these performance vehicles. It is a direct replacement part, allowing for straightforward installation without the need for modifications. Ideal for street-driven cars as well as those undergoing performance upgrades, the tank supports a variety of use cases including daily driving and track applications. The product is especially recommended for setups involving front-mounted intercoolers, where space constraints require a more compact and efficient overflow solution. Installation is simple, making it accessible for enthusiasts looking to improve their vehicle’s cooling system and engine bay presentation.

Overview

COBB Coolant Overflow Tank

Fitment: 2015-2021 Subaru WRX / 2015-2021 Subaru STI

Part #: 800660

Overview

The COBB Coolant Overflow Tank is a direct replacement designed specifically for the 2015-2021 Subaru WRX and STI models. This upgraded tank offers a significant improvement in both aesthetics and functionality over the OEM unit. Ideal for enthusiasts installing an aftermarket front-mounted intercooler, it provides the necessary clearance for charge pipe routing while enhancing the engine bay’s overall appearance. Even for stock vehicles, this tank adds a refined touch and practical convenience, making it a valuable upgrade at any stage of your car’s modification journey.

Key Features

This coolant overflow tank is engineered to combine durability with style and ease of use. Key features include:

  • High-quality construction that resists the cheap plastic feel of the OEM tank
  • Optimized shape to accommodate aftermarket intercooler setups without interference
  • Improved fitment for a clean, professional engine bay appearance
  • Simple installation process designed for a direct bolt-on replacement
  • Enhanced durability to withstand heat and pressure typical of Subaru turbocharged engines

Installation & Fitment

The COBB Coolant Overflow Tank is designed as a direct fit for 2015-2021 Subaru WRX and STI models. Installation is straightforward, requiring no modifications or special tools. It is especially recommended when upgrading to a front-mounted intercooler to ensure proper clearance and maintain coolant system integrity. Fitment should be verified against your vehicle and part number to ensure compatibility.

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