Category Archives: Subaru WRX/STi Intake 2008-2014

2008+ Subaru WRX/STI Performance Air Intake Part 6: Final Product Reveal

Interested in purchasing our WRX/STi intake? Check out more details on our product page linked below!

Subaru WRX/STi Performance Cold-Air Intake

With positive horsepower data and an impressive intake tone, all our goals were met, so it was time to move towards project completion. We set out to finalize the design, finishes, and construction of our production units and, as you can see below, they turned out quite well. This will be offered in three finishes including polished aluminum, wrinkle-red, and wrinkle-black. Each kit includes an intake pipe with air straightener and MAF housing, a Mishimoto high-flow air filter, a heat … Continue Reading ››

2008+ Subaru WRX/STI Performance Air Intake Part 5: Sound Testing

Interested in purchasing our WRX/STi intake? Check out more details on our product page linked below!

Subaru WRX/STi Performance Cold-Air Intake

Finally, we come to the sound improvements that the Mishimoto intake provides. Everyone loves a nice throaty intake sound, almost as much as the intoxicating burble from a set of unequal-length headers. During our many dyno pulls, collection of data for decibel strength was something we wanted to explore and compare between the factory design and our design.
Intake sound testing
Intake sound testing
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2008+ Subaru WRX/STI Performance Air Intake Part 4: Final Design Testing and Data

Interested in purchasing our WRX/STi intake? Check out more details on our product page linked below!

Subaru WRX/STi Performance Cold-Air Intake

It was now time to see the fruits of our labor and collect some data with our revised design. Our poor STI was once again strapped to the dyno (This is what it’s built for, right?) and endured pull after pull as we evaluated power, AFRs, sound improvements, and durability. Weeks of testing resulted in a design that not only pleased our engineers, but also excited them to see some enthusiasts install and use it. Bolting on 25 whp has … Continue Reading ››

2008+ Subaru WRX/STI Performance Air Intake Part 3: Prototype Testing

Interested in purchasing our WRX/STi intake? Check out more details on our product page linked below!

Subaru WRX/STi Performance Cold-Air Intake

With our initial designs complete and fully assembled, the engineers were ready for testing. We strapped our STI to the dyno and began making some initial pulls with the car completely stock and using the OEM intake. We were averaging upper 250s to lower 260s at the wheels, which was what we expected from this car. After having some fun we removed the factory intake system, including the airbox, air induction tube, and MAF housing. We bolted on our first … Continue Reading ››