Carbon Fiber Dual Fan Shroud

Carbon Fiber Dual Fan Shroud

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Parts List:

  • 1x Carbon Fiber Panel
  • 8x 1" Nylon Spacers
  • 8x 1/4-20x1.5" Socket Head Allen Screws
  • 8x 1/4-20 Lock Nuts 
  • 1x Rubber Grommet for wiring
  • Optional - 2x 12" Fans

Some required tools

  • 10mm hand socket & hand tool (To remove engine lid for easier installation)
  • 1/4 socket
  • Phillips screw driver
  • Wire cutter & crimping tool

Before proceeding, check all screw mounting areas to make sure they are still good and undamaged. If you need to repair your mounting holes, fill with clear epoxy and re-drill pilot holes to prepare for screws

Step 1: Remove all packaging material from CF fan lid. Lay the shroud on a flat soft surface. Install the 12" fans as shown below using the supplied hardware kit. Install the spacer in between the carbon fiber fan lid and fan. Lightly tighten. Be sure to not to over tighten. 

Step 2: Remove engine lid and place on a flat surface. Install the fan shroud onto the engine lid. Reinstall complete engine lid back onto the car. 

Step 3: For wiring, we recommend only running this setup with a dedicated wiring harness system as the stock circuitry would be quite maxed out with his setup and may occasionally pop fuses/blow your fan relay in the trunk. 

There are many ways to wire up the fans. Dedicated wiring harness diagram may vary very slightly, but generally this is the layout


-DC12V positive should go directly to battery + and negative can be to battery negative pole or or car chassis (make sure to ensure proper contact, sand off paint if needed, and properly secure this ground)
-2 wires to led light, you can splice these 2 wires to the 2+2=4 wires off of the fans. Essentially means, 2 wires have a joint connection in parallel to both fans. 
For the on/off switch portion to trigger relay - you have few options
-Simplest solution - Near the on/off switch, you can leave it as is shown in the diagram, and fans will turn on/off whenever button is flipped ON or OFF. 
-You can also wire it another way to connect factory or custom wiring where the fans will turn on if the oem signal or aftermarket ecu signal is present, and if the switch is in "on" mode. But obviously this way is a little more complicated to wire up and can be done in many different ways.
-If you don't like physical on/off switch, could bypass and remove this on/off switch completely and directly connect to whatever signal you want to have relay turned on, whether from aftermarket ecu, or from a temperature sensor or what have you (again, fairly complex)
-Lastly, this is for the 0.1% but if you're balling and have all custom wiring and dedicated solid state power distribution module like professional race cars do to eliminate old moving relays, you can bypass this whole wiring system..


Step 4: Enjoy!



  • Depending on your setup, for 3SGTEs with side mount intercooler, or top mount intercooler kits, blowing air into engine bay is best for reduced IATs. If you are on a V6, may be better blowing air out of engine lid. Do some testing yourself, but our testing shows for 3SGTE, blowing in is best and significantly more efficient for reducing IATs and providing more fun/hp/torque
  • Fan direction can be flipped by reversing the wires, but they definitely blow stronger/move more air when blowing into engine bay than out


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If for some reason you encounter an issue or problem with any of our products, please don’t hesitate to get in contact with us so we can do our best to help you out.



Thank you again for your business and support


-MR2 Heaven




MR2 Heaven is not liable for any damages, injury directly or indirectly related to the installation, use or mis-use of these components.