Megan Racing MR-RT-SI98 Radiator

If your late-90s Subaru is still relying on a plastic-tank radiator, you’re gambling with head gaskets. The Megan Racing MR-RT-SI98 is a full aluminum performance radiator designed to improve cooling efficiency and eliminate OEM failure points.

EJ motors already have a reputation. Let’s not give them another reason.

This is a cost effective upgrade which can ultimately save an engine during competition or spirited driving
Often times, a temperature Drop of twenty degrees or more will be noticed when using an aluminum radiator
One common and effective method of reducing engine temperature is to employ an aluminum radiator

$203.09

✅ Vehicle Fitment

Designed for:

  • Subaru Impreza WRX

  • Subaru Impreza

⚠ Confirm engine (EJ20 / EJ22 / EJ25) and transmission configuration before ordering.


Why Upgrade from Stock?

OEM radiators on GC chassis cars are known for:

  • Plastic end tank cracking

  • Reduced cooling under boost

  • Heat soak during track or spirited driving

  • Age-related coolant leaks

An aluminum radiator improves durability and heat transfer efficiency.

 

We are proud to introduce the new Megan Racing high performance aluminum radiator. Anytime an individual introduces their car to a racing/drifting environment, the temperature of the vehicles engine will skyrocket. One common and effective method of reducing engine temperature is to employ an aluminum radiator. This is a cost effective upgrade which can ultimately save an engine during competition or spirited driving. Often times, a temperature drop of twenty degrees or more will be noticed when using an aluminum radiator. Also included is a 1.1 bar radiator cap.

 

Key Features

🧊 Full T-6061 Aluminum Construction

Superior thermal conductivity and long-term reliability.

🔥 High-Efficiency Core Design

Improved coolant capacity and temperature stability.

🛠 TIG-Welded End Tanks

Stronger than factory crimped plastic units.

⚙ Direct Bolt-On Fit

Engineered for GC chassis mounting points.

This is a cost effective upgrade which can ultimately save an engine during competition or spirited driving
Often times, a temperature Drop of twenty degrees or more will be noticed when using an aluminum radiator
One common and effective method of reducing engine temperature is to employ an aluminum radiator

 

Performance Benefits

  • Lower operating temperatures

  • Improved cooling consistency

  • Better support for tuned or boosted EJ builds

  • Increased reliability in hot climates

If you’re turning up the boost, cooling upgrades are not optional.


Installation Notes

  • Inspect hoses and thermostat during install.

  • Properly bleed cooling system (Subarus trap air easily).

  • Use Subaru-recommended coolant mixture.

  • Confirm fan shroud compatibility.

Boost is fun. Overheating isn’t.

Specification: Megan Racing MR-RT-SI98 Radiator

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