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Mishimoto Subaru WRX/STi FMIC Kit, Part 2: Initial Intercooler Design

Published: September 22, 2014 Updated: June 01, 2026

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!

Mishimoto Subaru WRX/STi Front-Mount Intercooler, 2001-2007

Mishimoto Subaru WRX Front-Mount Intercooler, 2008-2014

Mishimoto Subaru STi Front-Mount Intercooler, 2008-2014

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.

Bugeye wagon intercooler prototyping and data collection

Bugeye wagon intercooler prototyping

As you can see we have a lot going on in these first few images. The first image shows our Romer arm.

Mishimoto Subaru STi Front-Mount Intercooler, 2008-2014

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 built engine decides it wants nothing to do with a cylinder 3 connecting-rod bearing. As you may be aware, we are huge fans of both Subaru vehicles, and the communities that thrive around them. Our continually growing Subaru product line is about to get much bigger, and our team decided to tackle the development of a new front-mount intercooler for the 2002+ WRX and STi.

I know exactly what you are thinking. Why now? The car is ancient and the market is swamped