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Mishimoto — Mishimoto 01-07 Subaru WRX and STi Manual Aluminum Radiator
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Radiators

Mishimoto

Mishimoto 01-07 Subaru WRX and STi Manual Aluminum Radiator

SKU: misMMRAD-WRX-01

Whether you daily drive a stock STI or rallycross a modified WRX, an efficient cooling system is key to extending the life of your flat-four. The plastic end tanks of the stock radiator are especially prone to cracking from years of constant variation in temperature. A radiator failure can result in overheating, head gasket failure, and other engine damage that can quickly put an end to a fun day at the track....

Installation manual

$339.95$374.00Save 9%
15 In Stock

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Overview

Whether you daily drive a stock STI or rallycross a modified WRX, an efficient cooling system is key to extending the life of your flat-four. The plastic end tanks of the stock radiator are especially prone to cracking from years of constant variation in temperature. A radiator failure can result in overheating, head gasket failure, and other engine damage that can quickly put an end to a fun day at the track. Protect your investment with the Mishimoto Performance Radiator, engineered specifically for the 2001-2007 Subaru WRX and STI. After identifying the radiator in these vehicles as a weak point, our engineers set out to provide an efficient, durable radiator that can take the abuse of competitive driving and provide the reliability you need for daily commuting. -- The Mishimoto Subaru radiator features all-aluminum construction, which provides increased heat and pressure tolerance, improved heat dissipation, and improved cooling efficiency. The 100% brazed aluminum core and TIG-welded end tanks provide optimal durability and years of efficient and reliable service. This radiator is a complete bolt-in unit that replaces the factory radiator without requiring any modification to your Subaru. The Mishimoto Subaru Performance Aluminum Radiator includes a high-pressure 1.3 bar radiator cap. This cap effectively raises the boiling point of the coolant, thus providing a higher threshold for safe temperatures and resulting in a more efficient cooling system. Additionally, a second radiator cap is included for use on the expansion tank. This radiator provides a significant increase in coolant capacity, which allows for aggressive driving while retaining safe coolant temperatures. Keep your Subaru on the street and out of the shop with the Mishimoto Subaru WRX and STI Performance Aluminum Radiator. As with all our products, this radiator includes the Mishimoto Lifetime Warranty.

Features

  • Full aluminum construction provides increased heat and pressure tolerance, improved heat dissipation, increased durability, and improved cooling efficiency
  • Manufactured with robust TIG-welded end tanks for improved strength and extended longevity
  • 100% brazed aluminum core for maximum reliability
  • Full aluminum construction provides increased heat and pressure tolerance, improved heat dissipation, increased durability, and improved cooling efficiency
  • Manufactured with robust TIG-welded end tanks for improved strength and extended longevity
  • 100% brazed aluminum core for maximum reliability
  • Increased coolant capacity directly results in improved cooling efficiency
  • Now includes two 1.3 bar high-pressure caps, raising the boiling point of engine coolant to provide a safer, more efficient system
  • Two-way expansion tank cap and one-way radiator cap ensure proper flow and function of cooling system to avoid overheating
  • Designed to original equipment specifications for the 2001-2007 WRX and STI
  • Includes magnetic drain plug to prevent metal fragments and debris from circulating in coolant system
  • Mishimoto Lifetime Warranty
  • N/A
Performance Aluminum Radiator, fits Subaru WRX/STI 2001-2007 Subaru WRX and STI Performance Aluminum Radiator

Installation (catalog file)

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Fitment notes (catalog)

2006 Saab 9-2X 2.5i 2.5 Liter TY754, 2005 Saab 9-2X Aero 2.0 Liter TY754, 2006 Saab 9-2X Aero 2.5 Liter TY754, 2005 Saab 9-2X Linear 2.5 Liter TY754, 2002-2005 Subaru Impreza WRX 2.0 Liter TY754, 2006-2007 Subaru Impreza WRX 2.5 Liter TY754, 2006-2007 Subaru Impreza WRX Limited 2.5 Liter TY754, 2004-2007 Subaru Impreza WRX STI 2.5 Liter TY856, 2007 Subaru Impreza WRX STI Limited 2.5 Liter TY856, 2006-2007 Subaru Impreza WRX TR 2.5 Liter TY754

Summarized compatible vehicles also appear under Description → Fitment.

Detailed rows from our confirmed fitment index can be large (dozens to hundreds per part). Load them only when you need year/trim/engine-level links to Shop by Vehicle.