Mishimoto Performance Radiator Subaru WRX 15-21 MMRAD-WRX-15

In the rangePart no. MMRAD-WRX-15

Does it fit?

Temperature drop: -20°F (-11°C) coolant temp
Cooling efficiency: Up to +15% vs stock
Coolant capacity: +117% vs stock
Fits: VA WRX / STI (2014–2021)
Category: Engine & forced induction

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We can’t take an order yet — supply is still being arranged. Ask, and we will tell you what we know about it and let you know when it is available. What people ask for is what we range first.

Fitment is confirmed, not guessed
A chassis is listed only where the part is on one of our cars or on the manufacturer’s own application list.
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Parts marked On our cars are ones we race. Those descriptions are written from running them, not from a brochure.
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Specifications

Brand: Mishimoto
Part number: MMRAD-WRX-15
Temperature drop: -20°F (-11°C) coolant temp
Cooling efficiency: Up to +15% vs stock
Coolant capacity: +117% vs stock
Surface area: +42% coolant, +34% air vs stock
Max pressure: 1.3 bar (radiator cap)
Fits: VA WRX / STI (2014–2021)
Category: Engine & forced induction

Figures as published for this part; fitment is only what we have confirmed. Check critical dimensions against your car before ordering.

About this part

Mishimoto's MMRAD-WRX-15 performance radiator fits the 2015–2021 WRX. It's listed for a -20°F (-11°C) drop in coolant temperature, up to 15% more cooling efficiency, 117% more coolant capacity and 42% more coolant-side and 34% more air-side surface area than stock, rated to 1.3 bar at the cap.