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 ››

2008+ Subaru WRX/STI Performance Air Intake Part 2: Prototype Design

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

Subaru WRX/STi Performance Cold-Air Intake

Here we are at round two of product development. The shear, brake, and welder had quite a workout as our team set to work on developing two very different prototypes for testing. The first design was rather unique and emulated the factory system quite well. This large, box design used a standard panel filter and pulled cold air from the fender/wheel-well area. This unit was very well designed and would keep your engine bay appearing OEM while providing improved power and … Continue Reading ››

2008+ Subaru WRX/STI Performance Air Intake Part 1: Introduction and Goals

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

Subaru WRX/STi Performance Cold-Air Intake

When you envision a performance automotive company, it is sometimes difficult to picture the effort going on behind the scenes. The project lifecycle from conception to completion is a hectic yet interesting process that encompasses discovery, data collection, improvement, and creation. High-quality polished images showcase the end result of hard work, but what really goes on while engineers fabricate components, test prototypes, and analyze data? All this effort is essential to create an efficient and accurate product that bolts into … Continue Reading ››

An inside look at the engineering of Mishimoto products.