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Interested in purchasing our Evolution radiator? Check out our product page for more details!

Mitsubishi Lancer Evolution Half-Size Performance Aluminum Radiator

Our initial test fit donor vehicle

It is hard to argue with the masses who rave about the Mitsubishi Lancer Evolution. A turbocharged, AWD, rally-inspired chassis wrapped in a tastefully designed and aggressive body is enough to provoke envy in anyone, enthusiast or not.

During the past few years, we’ve kept a close eye on the Evolution forums and enthusiast groups, and we’ve also kept tabs on the success of our current

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 shield, a silicone coupler, clamps, and all hardware necessary for installation.

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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

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 never been easier, and this intake shows gains through the entire power band.

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 design and made a few pulls. We found that the air/fuel ratio (AFR) was a bit on the lean side for our tastes, so after a few runs we decided to call it quits for the day and reevaluate this design. Bolting on the second design provided slightly improved AFRs, but they were still at a point where we were

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 tone. The design used a large box of undecided material for construction (aluminum vs. plastic) and a short length of piping to house the mass airflow sensor (MAF). While this unit was under construction, a new design was also explored. This one used aluminum intake piping off the

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 your vehicle and enhances performance, whether you are making a pass at the strip or clipping an apex at a hill-climb.

Enthusiasts are typically very curious about the technical aspects of their performance parts, so