Mishimoto 08+ Subaru WRX/STi X-LINE Aluminum Radiator

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SKU: MISMMRAD-STI-08X
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About Mishimoto Mishimoto is the modern leader in performance cooling ...Read More

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Sale price$421.99 Regular price$451.00
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Mishimoto X-LINE Performance Aluminum Radiator for 2008+ Subaru WRX/STi

For Subaru WRX and STi owners who demand the ultimate in cooling performance, the Mishimoto X-LINE radiator is the definitive upgrade. Designed for the 2008 and newer models, this radiator features a significantly thicker core to handle extreme heat loads generated by high-performance engines and demanding driving conditions.

Uncompromising Cooling Power

The Mishimoto X-LINE radiator pushes the boundaries of cooling technology with:

  • Thicker Core Design: A substantially thicker core provides a larger surface area for heat exchange, drastically improving cooling efficiency over standard and even other performance radiators.
  • All-Aluminum, TIG-Welded Construction: Ensures maximum durability, corrosion resistance, and efficient heat dissipation for long-lasting performance.
  • Direct Fit Application: Engineered for a precise fitment in the 2008+ Subaru WRX and STi, simplifying installation and eliminating the need for complex modifications.

Engineered for the Toughest Conditions

Whether you're dominating the track, conquering rally stages, or enjoying spirited canyon runs, maintaining stable engine temperatures is critical. The X-LINE radiator's enhanced cooling capacity helps prevent heat soak and power loss, allowing your Subaru's engine to perform at its peak consistently. Its robust build quality ensures it can withstand the rigors of high-performance driving.

Elevate your Subaru's cooling system with the superior performance of the Mishimoto X-LINE radiator. Find this essential upgrade and more performance parts at GGCRACING.

Vehicle Fitment

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

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Mishimoto X-LINE Performance Aluminum Radiator for 2008+ Subaru WRX/STi

For Subaru WRX and STi owners who demand the ultimate in cooling performance, the Mishimoto X-LINE radiator is the definitive upgrade. Designed for the 2008 and newer models, this radiator features a significantly thicker core to handle extreme heat loads generated by high-performance engines and demanding driving conditions.

Uncompromising Cooling Power

The Mishimoto X-LINE radiator pushes the boundaries of cooling technology with:

  • Thicker Core Design: A substantially thicker core provides a larger surface area for heat exchange, drastically improving cooling efficiency over standard and even other performance radiators.
  • All-Aluminum, TIG-Welded Construction: Ensures maximum durability, corrosion resistance, and efficient heat dissipation for long-lasting performance.
  • Direct Fit Application: Engineered for a precise fitment in the 2008+ Subaru WRX and STi, simplifying installation and eliminating the need for complex modifications.

Engineered for the Toughest Conditions

Whether you're dominating the track, conquering rally stages, or enjoying spirited canyon runs, maintaining stable engine temperatures is critical. The X-LINE radiator's enhanced cooling capacity helps prevent heat soak and power loss, allowing your Subaru's engine to perform at its peak consistently. Its robust build quality ensures it can withstand the rigors of high-performance driving.

Elevate your Subaru's cooling system with the superior performance of the Mishimoto X-LINE radiator. Find this essential upgrade and more performance parts at GGCRACING.

Vehicle Fitment

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

Product Details

Product Description

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Mishimoto X-LINE Performance Aluminum Radiator for 2008+ Subaru WRX/STi

For Subaru WRX and STi owners who demand the ultimate in cooling performance, the Mishimoto X-LINE radiator is the definitive upgrade. Designed for the 2008 and newer models, this radiator features a significantly thicker core to handle extreme heat loads generated by high-performance engines and demanding driving conditions.

Uncompromising Cooling Power

The Mishimoto X-LINE radiator pushes the boundaries of cooling technology with:

  • Thicker Core Design: A substantially thicker core provides a larger surface area for heat exchange, drastically improving cooling efficiency over standard and even other performance radiators.
  • All-Aluminum, TIG-Welded Construction: Ensures maximum durability, corrosion resistance, and efficient heat dissipation for long-lasting performance.
  • Direct Fit Application: Engineered for a precise fitment in the 2008+ Subaru WRX and STi, simplifying installation and eliminating the need for complex modifications.

Engineered for the Toughest Conditions

Whether you're dominating the track, conquering rally stages, or enjoying spirited canyon runs, maintaining stable engine temperatures is critical. The X-LINE radiator's enhanced cooling capacity helps prevent heat soak and power loss, allowing your Subaru's engine to perform at its peak consistently. Its robust build quality ensures it can withstand the rigors of high-performance driving.

Elevate your Subaru's cooling system with the superior performance of the Mishimoto X-LINE radiator. Find this essential upgrade and more performance parts at GGCRACING.

Vehicle Fitment

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

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