13 wrx E85 build + reviews
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This is a discussion on 13 wrx E85 build + reviews within the Builds forums, part of the Tech & Modifying & General Repairs category; The purpose of this post is going to be a build journal with associated reviews for each part I've put ...

  1. #1
    Registered User crepitus's Avatar
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    13 wrx E85 build + reviews

    The purpose of this post is going to be a build journal with associated reviews for each part I've put on. I want to do this because as I was learning what to do and not do as I was upgrading my car, I felt like a lot of information regarding parts specific to GR+ ejs was either outdated, wrong, or just missing. Of course there is still a plethora of knowledge in unabombers manifesto on nasioc, and through zax and other gurus posts on here - but those major faqs and stickies are old and not part specific. My goal is to illustrate a build that has been very fun for me, and to speak to the specific parts that make up the build for others convenience, and conversation. Links to imgur albums will be inserted at relevant points.


    (this is going to take me some time to complete since I have very little free time, sorry about that)

    Current Build:

    Cobb SF Intake
    Mishimoto baffled catch can / aos,
    Process West Verticooler
    Tomei expreme uel headers,
    Tomei expreme upipe,
    Grimmspeed Downpipe (catted),
    Tsudo Midpipe,
    Nameless Axleback (track pipe w 4" tip),
    Grimmspeed EBCS,
    ACT streetlite flywheel,
    ID 1000cc Injectors,
    Zerolift TGV deletes,
    DW65C Fuel Pump,
    Cobb adj Shirt Shifter & Knob,
    RCE Regular Guy Springs,
    CR Kai Replicas-Koya Racing, 18x8.5 +32
    Cobb Accessport v3
    E85 Pro Tune from PIA

    Results: (PIAs Mustang Dyno)
    335whp 374wtq @20.0psi
    *headers and tgv deletes recently installed, New tune forthcoming


    Reviews :

    Cobb SF Intake
    So when I first put this on I also had the corresponding airbox. I ended up taking it off because I found that the airbox just absorbed the entire sum of the energy in the universe and turned into an intake oven. I did some logs with and without in traffic over a drive to Portland and my intake temps were lower without the box. Perhaps this is because of where I live (washington). Maybe in an environment with very high temperatures the box is great to have.
    The construction itself was great quality. Everything lined up well and it was an easy install. Maybe 30 minutes. My only complaint about its design (aside from making my intake hot lol) is the tiny Allen screws used to hold the top of the box on. You have to remove 4 little Allen screws whenever you want to clean the filter, and god help you if you drop them.
    I would score the airbox as 3/5.
    The intake itself is great quality, takes less time to install than the stocker takes to remove, is easy to clean, is very useful once you're at "stage 2+" power levels, and makes your bpv sound like a bov without having to put on an atmospheric bov. Looks great too. Just wish it had higher quality clamps.
    I would score the SF Intake as 4/5

    Grimmspeed Downpipe
    This downpipe is one of my favorite pieces on my car. As soon as I opened the box I was so happy with the amazing quality of the welds, and the amazing attention to detail on every shape of every bend. I peeked inside the pipe with a fiber optic camera from work and the inside is as good looking as the outside. The little flange that separates the turbo exhaust from the wastegate port fits perfectly, as does every part of this pipe at every place it mates up against something. All of the mounting points are in the same spot as stock, even the hangar that clips onto the chassis about halfway down the pipe. This is a feature I love because it makes the install an easy one man job. The fully divorced wastegate tube means that you will need to either modify your stock head shield to fit, remove it completely, or replace it. I chose to put on a turbo blanket, and will review that piece later on. I chose the normal version of the downpipe which is not ceramic heat coated, and has one high flow catalytic converter. One important note on the cat is that it is placed in optimal position - meaning as far away from the turbo as possible to improve flow. The side effect of this is that the stock clips for the wiring of your rear sensor will not allow it to reach the bung on the downpipe. The simple and obvious 30 second fix is to pop the little plastic clips off your transmission housing, thus allowing the wiring to extend far enough so that your sensor will reach the bung. I saw people on other forums and on rallysportdirect solving this problem by spending 20 bucks on an extension harness for the sensor but that's totally unnecessary and just adds to the cost and time.
    Install time was probably 2.5 hours for me on a nice lift in a shop - most of that time was spent dealing with the turbo bolts and the annoying heat shield removal. Besides the elbow grease required its an easy install.
    I would score this product a true 5/5


    -more will be edited in-

    Sent from my SAMSUNG-SM-G890A using Tapatalk
    Last edited by crepitus; 08-26-2016 at 07:33 AM.
    fear is the mind killer

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  3. #2
    Registered User crepitus's Avatar
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    Process West Verticooler:
    This is a really nice intercooler. Comes with everything, which is some bolts, clamps, allen keys, piping, and support bracing.
    You'll notice upon unboxing that the welds are great and the pictures and dimension specs on RSD don't do justice to the beef of this ic. It's very thick and I think this, along with the dimension and curvature of the piping contributes to the good specs on pressure drop for this ic.
    A nice side effect of this piece which I didn't know about is that it automatically opens up a greater choice of aftermarket turbos because of its location and orientation. Now it will be easy to one day put on that dom1.5 or 20gxtr.
    The install is more difficult than most top mounts because the ic is supported in a couple spots, one of which is on the transmission bell housing, and that bolt is just a bit annoying. The key is to put your support frame on the ic very loosely to allow yourself a lot of wiggleability to make threading the bolt back through the support brace easily.
    Stock bpv fits easily as well as any aftermarket bpv/bov that is compact similar to the oem one, but any larger valves will have clearance issues as they will end up butting up against the brake clutch fluid reservoir thing. You don't want these two things to touch because it can generate an annoying vibration through your pedals so you just need to be deliberate in your choice of bpv/bov. I have the gfb respons on and it fits great.
    The ic comes with a fitted shroud for your hood scoop which is very nice and actually buts up against the end tanks to give you a nice directed flow of air in the optimal direction. This shroud is a very easy install.
    The orientation of this ic has the added bonus of getting your ic away from the engine a bit so you end up with better access to your manifold and block so a lot of jobs which normally would require removing the top mount no longer will - for example routing an aos/catch can. You can get to your pcv valve without having to move anything.
    The nice short piping in theory means you can add this big ic without increasing the distance air has to travel so no increase in lag and my subjective feeling agrees with this.
    I'm a big fan of this ic for its performance, quality, and uniqueness. It's nice to have something look different than most under the hood.
    5/5

    Mishimoto 3 port baffled catch can:
    This catch can holds 2 fl oz which sounded small to me at first but once you have it your hands you realize that's a lot of volume for a dd car. I think you'd only want a bigger one if your car has insane blow by due to track driving a lot. And it's only $100 for a high quality baffled catch can. The filter is 50 microns and the baffle is below the filter so it will definitely work. Having 3 ports allows you to route it so you get a line in from both breathers, and a line in from the pcv valve. Then you can route the outlet back to your recirculating air. Very easy install and the compact size allows you to mount very easily in the engine bay. I just used two supplied tiny screws and attached it next to my headlight where the metal is thin enough to do easily but strong enough to hold forever. I don't track, and don't have excessive blow by, but I'm still able to get a couple ccs by every oil change. I figure every drop adds up so might as well put it on, especially since I used e85 which in theory could increase the water droplets in my system. I put this on at the same time as my ic, and thousands of miles later the ic and all the intake tracks I can open up and look at are bone dry and lack any noticeable oil in them.
    5/5

    Sent from my SAMSUNG-SM-G890A using Tapatalk
    Last edited by crepitus; 08-28-2016 at 08:57 AM.
    fear is the mind killer

  4. #3
    Registered User crepitus's Avatar
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    Reserved for reviews

    Sent from my SAMSUNG-SM-G890A using Tapatalk
    fear is the mind killer

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