Subaru WRX Race Intake 2015+

  1. Final Product Design - WRX Race Intake, Part 3

    Final Product Design - WRX Race Intake, Part 3

    Our last update on this intake included dyno testing that yielded some interesting numbers. Now that we're moving closer to the release, let's take a look at the finished product!

    Let's start with the intake pipes.

    IMG_2850
    New 2015 WRX parts

    These intake pipes will be finished in either wrinkle black, wrinkle red or polished, as shown above. The decision is up to you! These production samples came out nicely and look really great in person. Remember we are using full three inch piping with no step downs, which will require a tune on any WRX that has this race intake installed.

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    Color options for the 2015 WRX Intake

    Each pipe will come with a built-in mass airflow (MAF) straightener to help with consistent airflow. Straighteners are very helpful in assisting the MAF sensor to record accurate readings and take turbulent airflow out of the equation. Let's also not forget that the MAF housing adapter is CNC-machined onto the pipe!

    Filter for our 2015 WRX Intake
    Filter for our 2015 WRX Intake

    Pictured above is the filter we plan on

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  2. Dyno Testing and Results - WRX Race Intake, Part 2

    Dyno Testing and Results - WRX Race Intake, Part 2

    It has been a while since we have updated this project, but we now have something for our WRX community!

    The brief data report below shows our gains with this race intake project and our baseline was a fully stock 2015 WRX with no upgrade or aftermarket tune. The numbers are quite high due to the upgrades already installed on the WRX during testing. These upgrades included our Mishimoto:

    • Downpipe
    • Cat-Back Exhaust
    • Front-Mount Intercooler
    • Custom Engine tune

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    WRX intake dyno testing

    dyno1r
    WRX parts - dyno results

    The graph above shows that the race intake coupled with the Mishimoto upgrades netted peak gains of about 77hp with 88ft-lb of torque, and max gains of about 86hp and 98ft-lb of torque against a fully stock WRX. Considering the vehicle's bolt-on additions and custom tune, we were expecting big gains. Of course, such large gains are possible only with the installed upgrades, but our intake and a proper tune contributed as well.

    Regardless of any bolt-on upgrades, it is important to note that

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  3. R&D Beginnings - WRX Race Intake, Part 1

    R&D Beginnings - WRX Race Intake, Part 1

    Team Mishi likes to look out for our Subaru community. If you have been following our engineering blog, then you'll notice that we have been rolling out a slew of high quality 2015+ parts WRX. One of the biggest products we launched was our bolt-on intake system. Not only did we provide easy power gains, but our system greatly improved sound, and created a large group of very pleased customers. The gains we produced were a result of reduced restrictions compared to the factory system. A great product that supports stock and mildly modified examples. We are now turning our attention to an even less restrictive iteration that will be designed to support vehicles necessitating maximum airflow.

    Our race-inspired design for this WRX intake will take the more aggressive route of obtaining the maximum power potential an intake can deliver to this FA series motor. Keep in mind, this secondary "Race" design will require tuning for safe operation.

    It is important to understand that this will be a

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