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Mishimoto

Mishimoto Subaru WRX 08-14/STi 08-21 X-LINE (Thicker Core) Aluminum Radiator

$531.00 USD $482.95 USD Save 9%
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  • Direct fit for the 2008-2014 Subaru WRX/2008-2021 STI
  • Premium radiator has 3-row (2-in thick) core for improved strength and reliability.
  • 16-percent thinner-than-stock tubes allow for more surface contact, increasing cooling efficiency.
  • Greater density of rows for higher cooling capacity.
  • More contact points for additional heat transfer.
  • 3-row design creates more air turbulence, maximizing cooling efficiency
  • Includes magnetic drain plug
  • Includes a high-pressure 1.3 bar
  • Mishimoto radiator cap
  • Mishimoto Lifetime Warranty
MISMMRAD-STI-08X

Product Details

The Mishimoto X Line performance aluminum radiator for the 2008-2014 Subaru WRX/2008-2021 STI is designed with a larger 3 row core to maximize cooling efficiency, boost engine functions, and most importantly protect your car from overheating. It is the ideal upgrade to the stock Subaru radiator whether you drive your vehicle daily or take it for track runs.

The Mishimoto aluminum 2008-2014 Subaru WRX/STI 2008-2021 radiator features a lightweight triple core, 100-percent brazed aluminum, and polished end tanks, enhancing the overall performance of your engine. Every Mishimoto aluminum radiator is a direct OEM fit making installation effortless with no cutting or modification required.

All Mishimoto radiators come with a high pressure 1.3 bar Mishimoto radiator cap and a great warranty including accident protection.

This Part Fits:

Year Make Model Submodel
2009 Subaru Forester XT
2009-2010 Subaru Forester XT Limited
2011-2013 Subaru Forester XT Touring
2009-2010 Subaru Impreza 2.5 GT
2008-2014 Subaru Impreza WRX
2010-2014 Subaru Impreza WRX Limited
2009-2014 Subaru Impreza WRX Premium
2008-2014 Subaru Impreza WRX STI
2011-2014 Subaru Impreza WRX STI Limited
2010 Subaru Impreza WRX STI Special Edition
2005-2006 Subaru Legacy GT
2005,2007-2009 Subaru Legacy GT Limited
2006-2009 Subaru Legacy GT spec.B
2005-2006 Subaru Outback XT
2005-2009 Subaru Outback XT Limited
2015-2021 Subaru WRX STI Base
2015 Subaru WRX STI Launch Edition
2015-2021 Subaru WRX STI Limited
2019 Subaru WRX STI S209
2016 Subaru WRX STI Series.HyperBlue
2018 Subaru WRX STI Type RA

Product Specifications

• Overall Height: 28 in

• Overall Length: 21.8 in

• Overall Width: 2.5 in

• Core Height: 27.09 in

• Core Length: 13.39 in

• Core Thickness: 2 in

• Rows: 3

• Inlet Size: 1.54 in

• Outlet Size: 1.54 in

• Drain Plug Thread Size: M12 x 1.5

• DPI: 13091 / 13093

Vehicle Fitment

• Applications:

• 2008–2014 Subaru WRX

• 2008–2019 Subaru STI

• 2009–2013 Subaru Forester XT

• 2005–2009 Subaru Outback XT

• 2005–2009 Subaru Legacy GT

• Engine Codes: EJ255, EJ257

• Chassis Codes: GE, GH

Notes

• Transmission Compatibility: This radiator is for manual transmission vehicles only. For automatic applications, purchase the optional Mishimoto Universal Transmission Cooler Kit.

• Important Caution:

• Use the provided Mishimoto radiator cap on the expansion tank. The stock radiator cap must remain on the radiator. The Mishimoto cap is a two-way valve, while the stock cap is a single valve. Using the Mishimoto cap on the radiator may cause overheating.

• Ensure all plugs, line fittings, and connections are tightened before operating the vehicle. Check connections regularly, especially during the first few miles after installation.

• Fitting Size Recommendations:

• Small Fitting: 2008–2009 Subaru WRX, 2008–2021 Subaru STI

• Large Fitting: 2010–2014 Subaru WRX, 2005–2009 Subaru Legacy GT, 2005–2009 Subaru Outback XT, 2009–2013 Subaru Forester XT

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