Page 2 - Monthly Archives: February 2014

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Mishimoto Pontiac GTO Performance Aluminum Radiator

Product Introduction and Goals

Our team has received numerous requests for a reasonably priced, high-performance aluminum radiator for the new-age Pontiac GTO. After reviewing the project and evaluating the current offerings available, we found a vacancy in the market. Our target would be to design a direct-fit unit that provides additional cooling and reliability over the stock radiator with plastic end tanks, while still maintaining a reasonable price point. Although it was available for only a few years in the States, the Pontiac GTO (OK, it's a Holden) was a seriously unique vehicle. The LS engine combined with an optional manual gearbox was ideal for a quick street car or a fun weekend track or autocross car. These cars may be a touch heavy, but thanks to a very responsive engine, squeezing a few extra ponies is a piece of cake.

These vehicles are nearly

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

Subaru WRX/STi Performance Cold-Air Intake

This product is finally available! Check out the details below!

Subaru WRX/STI Performance Cold-Air Intake, 2008–2014

• Direct fit for the 2008–2014 Subaru WRX/STI
• Dyno-proven gains of 25 hp/25 tq at 5300 rpm
• Eliminates restrictions and improves airflow
• Mandrel bent aluminum intake pipe with air straightener and CNC-machined MAF housing
• Powder-coated heat shield for optimal air temperatures
• High-quality Mishimoto free-flowing air filter provides 16% greater filter surface area
• True cold-air design with filter placement outside the engine bay
• Fully serviceable oiled air filter
• Provides an aggressive, rich intake tone
• Bolt-on performance works with stock tune and installs in under one hour
• Made in the USA
• Mishimoto Lifetime Warranty

Features and Benefits Video!

Installation Video!

Sound Clip!

Thanks!

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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 products, including oil coolers, intercoolers, radiators, and silicone hose kits. In doing so we have become aware of the needs and wants for products that would make the lives of our customers easier. We found an interesting project that needed support – a half-size radiator for enthusiasts who bolt in large-frame, twin-scroll, and front-facing turbocharger setups. This isn’t a modification you will see on a regular

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.

Completed air filter shroud design

Mishimoto intake fully installed

Fully installed kit

Completed Mishimoto intake pipes with wrinkle finish

Mishimoto intake pipes and air filter

Mishimoto one piece air straightener

This kit provides a true bolt-on, high-performance air intake that produces

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

Microphone for intake sound testing

Microphone for intake sound testing

From the lead engineer on this project:

“The recorded sounds were analyzed to compare the relative decibel strengths across the entire bandwidth of frequencies.  The red and blue lines in the graph below (Figure 3) represent the maximum volume achieved for each frequency band during the entire dyno pull.

A note about frequencies: The range of human hearing is typically about 20

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.

Dyno testing final design

More dyno testing

Everyone loves dyno videos!

And … the results are in! As shown below in Figure 1, our air intake makes substantially more power over the factory intake throughout the entire power band, especially in boost. Also shown are  the AFRs of both the OEM and Mishimoto intakes. Although leaner than 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

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 a bit uncomfortable. This was our main concern, as the vehicle seemed to be putting out pretty