Honda Civic SI Racing Thermostat, 2006-2013, by Mishimoto

Honda Civic SI Racing Thermostat, 2006-2013

Model: MMTS-CIV-06

  • Fits the 2006–2013 Honda Civic SI
  • Activates at lower temperature so coolant flows through system earlier
  • Allows for cooler engine temperatures
  • Mishimoto Lifetime Warranty


Price: $70.00
In stock now

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Honda Civic SI Racing Thermostat, 2006-2013 - MMTS-CIV-06 - Mishimoto

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Thermostat Installation Guide

68° C

OEM Thermostat Activates
78° C

Also Fits:
2007-2008 Acura RDX 2.3L
2004-2008 Acura TSX 2.4L
2006-2013 Honda Civic Si 2.0L/2.4L
2007-2013 Honda CR-V 2.4L
Engine Codes:

Chassis Codes:

Here at Mishimoto, we always want to make sure the quality of our racing thermostats is up to par. Here's a recent experiment by our engineers to ensure Mishimoto racing t...
The Mishimoto racing thermostat for the 2006-2011 Honda Civic Si will promote greater cooling efficiency throughout your engine. The Mishimoto racing thermostat will significantly lower high engine temperature produced by modified and upgraded turbo applications. Once the engine is fully warmed up the Mishimoto racing thermostat will open up at a lower temperature (68°C) than standard thermostats (82°C), also allowing the coolant to flow through the engine sooner thus reducing and maintaining cooler engine temperatures.

Mishimoto Automotive (“Mishimoto”) warrants its products under this lifetime limited warranty policy (“Warranty Policy”). This Warranty Policy applies solely to: (i) Mishimoto Products purchased directly from Mishimoto or Mishimoto authorized dealers (each a “Mishimoto Product” and collectively, the “Mishimoto Products”) and (ii) the original purchaser of such Mishimoto Product (“Purchaser”). This Warranty Policy is non-transferable and all claims under this Warranty Policy must be accompanied by the original sales receipt. The terms and conditions of this Warranty Policy are subject to change by Mishimoto at any time without notice.

For our complete warranty policy, please click here.
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