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Interested in picking up this exhaust adapter? Check out more details on our product page!

Mishimoto Subaru Exhaust Adapter, 3" Downpipe To Stock Exhaust

Looking for a better way to mate your 3" downpipe to the stock cat-back exhaust? Sick of blowing out gaskets and smearing copper sealant all over your flanges? Mishimoto now offers a 100% stainless steel downpipe adapter flange specifically for mating to a stock exhaust system. If you have a 2002+ WRX or STi, this is the piece for you! Check it out.

The flange adapter itself!

Interested in purchasing our 2015 WRX top-mount intercooler kit? Check out more details on our product page linked below!

Mishimoto Subaru WRX Performance Top-Mount Intercooler and Charge-Pipe System

Many of you checked out our recent thread about our progress on the 2015 WRX top-mount intercooler. We are finishing some testing to ensure that our product will provide the improvements our customers expect. Our prototypes look awesome, and so far they are proving to be quite efficient. So, we've decided to back-track a bit and highlight the process our team went through to create such an awesome product. We will also be including our final test results, as well as information about how you can get your hands on one of the first units to hit the shelves. Keep an eye on our threads and blog; we have some exciting stuff in the pipeline!

How It All Started

In late March our team ventured

Interested in purchasing this BMW E30/E36 aluminum radiator? Check out the product page for more information!

Mishimoto BMW E30/E36 X-Line Performance Aluminum Radiator

The testing results are in! First, a quick comparison of the fluid capacity improvements the Mishimoto X-line radiator provides.

Stock Radiator Capacity: 0.6 gal (2.27L)

Mishimoto X-Line Radiator Capacity: 1.15 gal (4.35L)

This is an increase in capacity of 91%! This additional fluid, combined with our highly efficient core design, should easily produce great gains in cooling efficiency. Let's evaluate our charts obtained from the testing data. First up, our raw temperature data from both rounds of testing.

Interested in purchasing this BMW E30/E36 aluminum radiator? Check out the product page for more information!

Mishimoto BMW E30/E36 X-Line Performance Aluminum Radiator

Being pleased with our design in comparison to the stock unit, it was time to put this radiator to the test and see how the improvements would impact cooling efficiency. The first true test for this radiator would be fitment. Although this product was designed based off of dimensions from the stock radiator and the engine bay of an E36 M, we still had yet to drop this unit into a vehicle to ensure that all components bolted into position properly. We snagged the keys to our test vehicle from our videographer and easily dropped our prototype into place. Check out a few shots of this radiator installed!

Interested in purchasing our thermostatic WRX oil cooler? Check out our product page for more information!

Mishimoto Subaru WRX Oil Cooler Kit

It was now time to test our components and ensure that they were operating to our standards. Our previous testing showed that oil warmup was rapid enough for use on a daily driven vehicle. Next we had to confirm that temperature improvements compared to the stock cooler setup were efficient.

We used a similar testing practice with the previous version of this kit, which includes the procedures and conditions listed below.

Testing Conditions

• Ambient Temperatures: 70°F-75°F
• Driving Conditions: 6 miles of highway driving at 60 mph
• Sensors: PLX temperature sensor reading 10 times per second

Setups Tested

Interested in purchasing our WRX radiator stays? Check out our product page for more information!

Mishimoto Subaru WRX/Sti Aluminum Radiator Stay Set

Now that we had our battery tie-down finalized, we could focus on the next component we wanted to tackle in the engine bay. Our next target would be the radiator stays, the small stamped steel pieces holding the radiator to the radiator support. We offer anodized aluminum radiator stays for a variety of vehicles including the previous generation WRX/STI, Honda Civic, and Ford Mustang.

For this particular project, we would be following a similar route. Our stays would be produced in aluminum and then anodized in a variety of colors to match an engine bay accent color. Before we get into the Mishimoto design, take a look at the stock components.

Interested in purchasing our Subaru battery tie-down? Check out more details on our product page linked below!

Mishimoto Subaru CNC Battery Tie Down

Mishimoto is not only interested in improving the performance, reliability, and power output of your new Subaru, but we also care about aesthetics. Small touches in the engine bay can make a big impact on the overall appearance and also provide a sense of personalization. Our first targeted component is the battery tie-down. The stock tie-down is rather bland, its main purpose being functionality, which is fine for a stock unit. For those looking to upgrade, a stylish aluminum replacement is ideal. In case you haven't yet peered into the engine bay of your "15, here is what the stock tie-down looks like.

Interested in purchasing this BMW E30/E36 aluminum radiator? Check out the product page for more information!

Mishimoto BMW E30/E36 X-Line Performance Aluminum Radiator

Alright, the prototype is in and ready for comparison against the stock unit. To show how much different this radiator is compared to our current offering, we would also be bringing in one of these radiators to observe the differences. First, let's take a look at the stock radiator we have. This unit was used to pull critical fitment dimensions.

Stock E36 radiator

Interested in purchasing our thermostatic WRX oil cooler? Check out our product page for more information!

Mishimoto Subaru WRX Oil Cooler Kit

Our direction with this project is to develop a thermostatic oil cooler solution for the 2015 WRX. Our team decided to eliminate the factory liquid-to-liquid cooler and replace it with one of our thermostatic sandwich plates. By doing so, we could properly regulate fluid temperatures according to the temperature thermostat installed in our sandwich plate. Additionally, we could provide improved cooling efficiency with the use of our liquid-to-air heat exchanger carried over from our non-thermostatic kit.

So why not retain the stock cooler and make the Mishimoto unit thermostatic? We have a few reasons to back up this decision. First is clearance concerns. When adding a sandwich plate to the top of the factory cooler, the filter is raised as well. This provides a