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mishimoto mmts-wrx-01 racing thermostat for subaru impreza wrx/sti 2001-2017 logo

Mishimoto MMTS-WRX-01 Racing Thermostat for Subaru Impreza WRX/STI 2001-2017 Review

3

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Very good

Revainrating 4.5 out of 5  
Rating 
4.3
🌡️ Engine Cooling & Climate Control, 🛠️ Replacement Parts

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img 1 attached to Mishimoto MMTS-WRX-01 Racing Thermostat for Subaru Impreza WRX/STI 2001-2017
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Description of Mishimoto MMTS-WRX-01 Racing Thermostat for Subaru Impreza WRX/STI 2001-2017

Fits the 2001-2014 Subaru WRX & 2001-2016 Subaru STI. Lower activation temp allows coolant to flow through the engine earlier. Maintains lower temperatures and extends engine life. Mishimoto Activation: 154�F (68�C) / OEM Activation: 170�F (76.5�C). Mishimoto Lifetime Warranty.

Reviews

Global ratings 3
  • 5
    2
  • 4
    0
  • 3
    1
  • 2
    0
  • 1
    0

Type of review

Revainrating 5 out of 5

This is very inconsistent. He tried to think.

This is very contradictory. He's been trying to figure out what's going on and it seems to open over a wide range of temperatures (seemingly random) between 150 and 220F. And sometimes close at 130 F. I have to say my car goes nuts and throws error codes when this happens.

Pros
  • Engine cooling and air conditioning
Cons
  • Transparency

Revainrating 3 out of 5

Premium Thermostat

This thermostat works as intended and opens much earlier than the standard or other Tstat to start the cooling process. An important note not included in Tstat and why it is there. The Tstat has a small wobble pin, this little wobble plays an important role in the installation as it allows air to pass through. See installation video: [.]

Pros
  • Automotive
Cons
  • Useless Functions

Revainrating 5 out of 5

Simple, cold! on thermostats

Very easy to install, WRX works fine and cool so far. Saw 3 cars overheating in traffic, I didn't even get halfway through. Addendum: About 3 months after installation I have more information to add. I would only recommend this for racing applications. For the daily driver, I had an issue with the CEL code going off because the engine coolant temperature was too low. On its own that might be fine, but combined with the Grimspeed cooler it prevents the car from reaching the correct operating…

Pros
  • Spare parts
Cons
  • Lots of stuff