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Performance Aluminum Radiator, fits Subaru WRX 2008-2014/STI 2008-2021

Model
MMRAD-STI-08X
Sale Price $421.95 Regular Price $560.31
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Key Features
Features
  • 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

Installation Difficulty: Medium

Key Features
  • 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

Product Description

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.
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TECH SPECS

More Information
Overall Height (in) 28
Overall Length (in) 21.8
Overall Width (in) 2.5
Core Length (in) 13.39
Core Height (in) 27.09
Rows 3
Inlet (in) 1.54
Outlet (in) 1.54
Core Thickness (in) 2
Drain Plug Thread Size M12 x 1.5
DPI 13091/13093
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
Note
This item is for Manual Transmission vehicles. For automatic applications, please purchase optional Mishimoto Universal Transmission Cooler Kit.

Caution:
The provided Mishimoto radiator cap should replace the stock cap located on the expansion tank. The stock cap attached to the radiator should be installed on the Mishimoto Performance Aluminum Radiator. The Mishimoto radiator cap is a two way valve, while the stock radiator cap is a single valve. Due to the difference in construction, the Mishimoto cap cannot be used on the radiator. If the Mishimoto cap is fit on the radiator, overheating may occur.

It is the installer's responsibility to check all thermostat plugs, NPT plugs, line fittings, and other connections to assure they are fully tightened before operating the vehicle. Mishimoto recommends that you check all connections at regular intervals, especially during the first few miles after installation. For additional technical information, contact sales@mishimoto.com.

Use small fitting for:
2008-2009 Subaru WRX
2008-2021 Subaru STI

Use large fitting for:
2010-2014 Subaru WRX
2005-2009 Subaru Legacy GT
2005-2009 Subaru Outback XT
2009-2013 Subaru Forester XT

Purchase Includes

Mishimoto Radiator
Mishimoto Radiator Cap
Overflow Nipples - 2
Magnetic Drain Plug
Mishimoto Lifetime Warranty

Note:

This item is for Manual Transmission vehicles. For automatic applications, please purchase optional Mishimoto Universal Transmission Cooler Kit.

Caution:
The provided Mishimoto radiator cap should replace the stock cap located on the expansion tank. The stock cap attached to the radiator should be installed on the Mishimoto Performance Aluminum Radiator. The Mishimoto radiator cap is a two way valve, while the stock radiator cap is a single valve. Due to the difference in construction, the Mishimoto cap cannot be used on the radiator. If the Mishimoto cap is fit on the radiator, overheating may occur.

It is the installer's responsibility to check all thermostat plugs, NPT plugs, line fittings, and other connections to assure they are fully tightened before operating the vehicle. Mishimoto recommends that you check all connections at regular intervals, especially during the first few miles after installation. For additional technical information, contact sales@mishimoto.com.

Use small fitting for:
2008-2009 Subaru WRX
2008-2021 Subaru STI

Use large fitting for:
2010-2014 Subaru WRX
2005-2009 Subaru Legacy GT
2005-2009 Subaru Outback XT
2009-2013 Subaru Forester XT

Warranty

Mishimoto Automotive (“Mishimoto”) warrants its products under this lifetime limited warranty policy (“Warranty Policy”). This Warranty Policy applies solely to: (i) Mishimoto Products purchased directly from Mishimoto or Mishimoto authorized dealers (each a “Mishimoto Product” and collectively, the “Mishimoto Products”) and (ii) the original purchaser of such Mishimoto Product (“Purchaser”). This Warranty Policy is non-transferable and all claims under this Warranty Policy must be accompanied by the original sales receipt. The terms and conditions of this Warranty Policy are subject to change by Mishimoto at any time without notice.

For our complete warranty policy, please click here.

Frequently Asked Questions (9)

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