Mishimoto Performance Aluminum Radiator X-Line Manual Transmission

2002-2007 Subaru WRX/STI

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SKU: MMRAD-WRX-01XWe price match!

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  • All aluminum construction
  • Thick 3-row core
  • Direct drop-in 
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Mishimoto Performance Aluminum Radiator X-Line Manual Transmission


  • Full aluminum construction provides increased heat and pressure tolerance, improved heat dissipation, increased durability, and improved cooling efficiency
  • 3-row core
  • Manufactured with TIG-welded end tanks for improved strength and extended service
  • 100% brazed aluminum core for maximum reliability
  • Increased coolant capacity directly results in improved cooling efficiency
  • Included 1.3 BAR radiator cap raises the boiling point of engine coolant to provide a safer and more efficient system
  • Designed to original equipment specifications
  • Designed for manual transmission models



  • The radiator cap provided with this particular radiator should replace the stock cap that is located in the expansion tank
  • Your factory issued/stock radiator cap should be the one used on the Mishimoto Radiator
  • The Mishimoto radiator cap is a two-way valve, and when compared to the stock single valve, there is a difference in construction, and cannot be used on the radiator
  • If you try to use the provided Mishimoto cap on the radiator, then you risk overheating
  • The upper radiator hose may require trimming for proper clearance



The Mishimoto X-Line Performance Aluminum Radiator features super durable all-aluminum construction to be the ultimate solution to your factory radiator. It features strong TIG-welded tanks, and a thick 3-row core to improve the overall cooling efficiency of your vehicle for long-lasting performance. This is a great upgrade over your factory radiator for those with daily drivers, and certainly effective enough for those of you with purpose-built race cars. 



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