Subaru WRX/STi Front-Mount Intercooler 2002-2014
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Interested in purchasing our Subaru WRX or STi intercooler kit? Check out more details on our product pages linked below!
Time to review our data so we can finally put a close on this project. The product development process for this front-mount intercooler has taken months and has also helped refine several of our processes. Before we move into the testing data, our first portion of this post will cover the physical benefits of our intercooler. By providing a more efficient heat exchanger, we can ensure that higher-powered vehicles are not being hindered by debilitating heat-soak
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Interested in purchasing our Subaru WRX or STi intercooler kit? Check out more details on our product pages linked below!
We are nearing the end of this build. As mentioned in the last post, we wanted to put our core to the test and provide some cooling efficiency data that our customers could use. We decided to modify our 2010 STi to add some heat and power to the CAC system for testing. Information regarding our vehicle is listed below.
2010 Subaru WRX STI
- 6-Speed Manual
- Mishimoto Intake
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Interested in purchasing our Subaru WRX or STi intercooler kit? Check out more details on our product pages linked below!
As promised, we have a couple cool images showing these kits fully installed on our test vehicles. Check them out below!
First, our full kit installed on our shop 2003 WRX Bugeye wagon!
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Interested in purchasing our Subaru WRX or STi intercooler kit? Check out more details on our product pages linked below!

GR STI stock intercooler removed
Once the engine bay was evaluated, we began to fabricate piping. Our goal was to route these pipes in the cleanest possible fashion while keeping the route as short as possible. First, the upper portion
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Interested in purchasing our Subaru WRX or STi intercooler kit? Check out more details on our product pages linked below!
Time to weld up some pipes! This would be the more time-consuming portion of this project, as most of these vehicles would require a specific pipe kit. We would not be able to utilize one set of pipes across the model board, as we did with the intercooler. Going in order, we started with our Bugeye. One of our test vehicles featured a reasonably stock engine bay, as shown below.
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Interested in purchasing our Subaru WRX or STi intercooler kit? Check out more details on our product pages linked below!
Time to take a quick look at our cooler and see how it fits with our test vehicles. First, a quick overview of the cooler itself. Check out our first prototype!

Mishimoto prototype intercooler
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Interested in purchasing our Subaru WRX or STi intercooler kit? Check out more details on our product pages linked below!
Time to start designing the basic dimensions of our intercooler! As mentioned in the previous post, this cooler would need to fit with all chassis if possible. Luckily we had a few of these vehicles as shop cars. First up, we pulled our 03 Bugeye Wagon into the shop and began taking a look at the space we had available in order to throw a huge core behind the bumper. Up on the lift she went and the bumper came off to reveal what we were working with.
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Interested in purchasing our Subaru WRX or STi intercooler kit? Check out more details on our product pages linked below!

Modifying your Subaru can be quite a slippery slope, especially when this wonderful pastime turns from a hobby to an obsession. Luckily, the enthusiast community is huge and always ready to provide support (or laughter), even when your fully
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