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Old 08-12-2014, 08:46 PM   #1
The Fugin Guy
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Default 2015 WRX CVT Mishimoto Intake - Installed w/o Box

So, what the hay, right! It's only like 90, I'm still in a boot but why not go to Advance Auto and buy some ramps and throw the old intake on. Well, after a few hours of sweat, a little blood and not a single tear, I love it!!

Started with getting her up in the air so I could get to the plastic turbo housing. It was a tight fit but as you would expect from Mishimoto, it snugged up perfectly. Pop 5 clips just below and around the turbo area and you can bend back the paneling and see this.



The 5 clips will look like this.



Then I assembled the lower part of the intake as such and lowered it into place.



Then you'll have something that looks the picture below from the bottom. Make sure that bottom piping is all the way on the plastic turbo housing before you tighten the clamp completely. Check from the top to be sure is on correctly, then snug it up!



Now it was time to head back to the top. You'll be looking at something like this. If you look closely next to the bottom clamp below, you'll see the nut you need to save to secure the lower intake to the bushing.



Time to add the 90 degree. Again, snug it on and use the clamps provided. Once that's on, it's the MAF housing. I would take the sensor off the old housing and install it before putting the shiny piece in the car, like I did. It still worked but it would have been easier, outside the car. Now, we're getting somewhere.



Be sure to save the nuts from the side because you'll need them to secure it once complete. One the MAF is on, you've tightened it to the 90 degree, it's time for the filter. Again, be sure it's on all the way because in the hot weather, it's a slippery little bugger! Then, you should be looking at the picture below.



this is a great time to snug up the bottom bushing nut (remember, from when you removed the factory intake) and triple check all clamps. The last thing you want is something to come off because you missed a step.

Last but not least, a short video. I'll get some more pics as well.

https://www.youtube.com/watch?v=TBvnBvWI9oQ

I'll edit and add more info as appropriate but it wasn't bad for not having any instructions or a video.
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Old 08-12-2014, 08:56 PM   #2
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Awesome, thanks for the write up... I've also got a '15 WRX CVT, ordered the Mishimoto CAI w/ box and just got shipping notification tonight, should be here friday... I'll definitely refer to your post while installing.. I know Mishimoto claims some performance gains, did you notice much or is it negligible? Watched your video too, kinda hard to hear it well in the cab, also sounds pretty windy, is it pretty loud from inside the vehicle? Thanks!
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Old 08-12-2014, 09:02 PM   #3
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A few more pictures and the finished product and the ramps from Advance. The ramps were perfect for around $50. I wouldn't suggest this install if it's your first CAI. With some patience and maybe a good friend, anything is possible. I suggest to get the car off the ground because it made it much easier. Also, have a 8MM long socket available for tightening clamps - this saved a ton of time!

I did the ECU reset as well so we'll see if that had any impact.









I'm very pleased with the quality of this product. It's rock solid. The only complaint I have is there were not install instructions and not a video done yet, that I've seen. I'm sure they'll have one up soon.

I'll try to answer any questions and hopefully, this is helpful for someone. Cheers!

Last edited by The Fugin Guy; 08-12-2014 at 09:43 PM. Reason: added pic of ramps
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Old 08-12-2014, 09:08 PM   #4
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Quote:
Originally Posted by WRXinSC42 View Post
Awesome, thanks for the write up... I've also got a '15 WRX CVT, ordered the Mishimoto CAI w/ box and just got shipping notification tonight, should be here friday... I'll definitely refer to your post while installing.. I know Mishimoto claims some performance gains, did you notice much or is it negligible? Watched your video too, kinda hard to hear it well in the cab, also sounds pretty windy, is it pretty loud from inside the vehicle? Thanks!
Honestly, I'm trying to stay off of it as much as possible until I get a tune. I did not notice a "significant" difference in performance. Again, I've only had it on for about 30 minutes. Maybe on the drive to and from work tomorrow, I'll get a better idea and comment more effectively. I'll try to get some better videos with flybys maybe tomorrow but again, I'm going to try and take it easy.

It sounds AMAZINGLY better inside the car and from the neighbors looks, it sounds better outside. It's EXACTLY that "turbo suction" sound you want. It's swear it sounds a lot more like a BOV then it did before the install.
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Old 08-12-2014, 09:21 PM   #5
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Awesome. Thanks for the write up. Mine will be here Thursday.
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Old 08-12-2014, 09:22 PM   #6
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I also deleted the Perrin side mount plate, added Subispeed's new awesome C lights and did a little mod for my Richmond peeps!



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Old 08-12-2014, 09:27 PM   #7
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Originally Posted by nlp187 View Post
Awesome. Thanks for the write up. Mine will be here Thursday.
Best of luck! Remember, we're all doing this install at our own risk. Take your time and I would recommend a tune as soon as possible and I think most would recommend the ECU reset, either way. It does sound incredible and was exactly what this car was missing. Well done Mishimoto!!
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Old 08-12-2014, 09:36 PM   #8
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Best of luck! Remember, we're all doing this install at our own risk. Take your time and I would recommend a tune as soon as possible and I think most would recommend the ECU reset, either way. It does sound incredible and was exactly what this car was missing. Well done Mishimoto!!
Thanks man! I am about to order a tune from Visconti, so I should be all set before it gets here. Hopefully it doesn't cause any problems for those who aren't tuned. Can't wait to hear the turbo spool, agh!
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Old 08-12-2014, 09:39 PM   #9
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I know Mishimoto claims that with this CAI you will not need a tune, but like you, i will definitely want to get a tune as well ASAP after install.. I thought about getting the ECUTek from Visconti but I'm kinda hoping Cobb will get the AP ready for CVT models soon, so i'm holding out..... BTW, what exhaust is that? Car looks great!
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Old 08-12-2014, 09:55 PM   #10
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Thanks man! I am about to order a tune from Visconti, so I should be all set before it gets here. Hopefully it doesn't cause any problems for those who aren't tuned. Can't wait to hear the turbo spool, agh!
Man, you're going to love it! Please let me know how it does with the EcuTek and Visconti. I'm holding out for Cobb as well unless it doesn't come out soon.

The exhaust is a custom MagnaFlow 4" mufflers model # 10415 with oval tips and the resonator removed. Had a local shop do it for $450. It sounds better, but I'm waiting on my Nameless set-up with 3.5"tips, mid-pipe and muffler delete. I think it's going to sound great, especially when it's tuned and I add the Down/J pipe. I'm going to be broke. Oh well, it's only money and you can't take it with you.
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Old 08-12-2014, 11:41 PM   #11
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With cobb accessport what map would you use for this intake. The stage 1?

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Old 08-12-2014, 11:43 PM   #12
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With cobb accessport what map would you use for this intake. The stage 1?

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I am asking since I got this cai and have cobb accessport waiting for cvt support. Thinking about returning cobb accessport and getting ecutek mishimoto device. I was under the impression cobb accessport won't support this intake.

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Old 08-12-2014, 11:57 PM   #13
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I am asking since I got this cai and have cobb accessport waiting for cvt support. Thinking about returning cobb accessport and getting ecutek mishimoto device. I was under the impression cobb accessport won't support this intake.

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Cobb accessport will not support the 2015 CVT, not this specific item. Sucks for CVT owners but it is what it is. I'm waiting for an accessport that will support the CVT platform. Rumors are it's 30-60 days out.

I also hope someone from Mishimoto will respond with installation instructions. It's not rocket surgery but it's also not for someone who hasn't turned a wrench frequently.
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Old 08-13-2014, 12:16 AM   #14
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Cobb accessport will not support the 2015 CVT, not this specific item. Sucks for CVT owners but it is what it is. I'm waiting for an accessport that will support the CVT platform. Rumors are it's 30-60 days out.

I also hope someone from Mishimoto will respond with installation instructions. It's not rocket surgery but it's also not for someone who hasn't turned a wrench frequently.
By support do you mean Cai specific map or general cvt support with stage 1 map

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Old 08-13-2014, 12:31 AM   #15
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By support do you mean Cai specific map or general cvt support with stage 1 map

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From my understanding, the acesssport does not work with the CVT. Please someone correct me if I'm wrong.
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Old 08-13-2014, 12:56 AM   #16
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but I'm waiting on my Nameless set-up with 3.5"tips....
I've had my nameless axelback on order since July 10... The wait is excruciating...
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Old 08-13-2014, 06:20 AM   #17
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Rod thru block in 5....4...3...2...1...



Kidding. Kind of.
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Old 08-13-2014, 07:29 AM   #18
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the amount of uniformed tuning knowledge here is a bit staggering.

The cobb ap and ecutek do the same functional thing except the cobb comes with a display to play with. One may have some 'features' the other doesn't but they are there to adjust the tuning tables within the ecu.
Support for the cvt or not, the AP comes with generic, off the shelf, maps for a cars with x mods. Even though your car may have the same mods as the map, every engine reacts differently to the tuning parameters.

The correct way to do it is through a protune/dynotune and this effectively doubles the cost of the AP. Hence why the EcuTek is a more cost effective option.
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Old 08-13-2014, 07:46 AM   #19
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the amount of uniformed tuning knowledge here is a bit staggering.

The cobb ap and ecutek do the same functional thing except the cobb comes with a display to play with. One may have some 'features' the other doesn't but they are there to adjust the tuning tables within the ecu.
Support for the cvt or not, the AP comes with generic, off the shelf, maps for a cars with x mods. Even though your car may have the same mods as the map, every engine reacts differently to the tuning parameters.

The correct way to do it is through a protune/dynotune and this effectively doubles the cost of the AP. Hence why the EcuTek is a more cost effective option.
Thanks. I don't see an accessport map for intake. The only performance maps are stage 1 for 91 and 93 octane. Mishimoto states that their ecutek device will have specific maps for their devices, including their cai. That's why I am trying to find out if the stage 1 accessport map does actually support the cai, cobb says no. Also, on a different note, should I just get a pro tune instead of the ecutek? I like the ecutek device due to its flexibility but the maps are of the shelf.

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Old 08-13-2014, 09:12 AM   #20
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I didn't realize I was in the newbie forum. I just clicked on the thread title The protune I'm talking about refers to going to your local tuner & dyno and having them tune it using their software. If they are a cobb licenced protuner, they can tune with your AP hence where I'm saying it effectively doubles the cost of the AP. (cost of the AP + the cost of tuning) If they tune with ecutek or open source tuning(which I don't think is released yet) you purely pay for the cost of the tune.

I personally do not trust off the shelf maps.
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Old 08-13-2014, 09:47 AM   #21
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Ah, an un-needed after market intake. No tune.

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Old 08-13-2014, 10:26 AM   #22
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I can tell you I got 33 mpg for the first time on the way to work. Un-needed aftermarket intake? Not sure what that's supposed to mean but thanks for the helpful input. I've done a ton of research on this topic and the manufacturer claims no need of a tune. However, as I stated, I will be tuning at Mach V as soon as the Cobb is functional for the CVT.
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Old 08-13-2014, 10:53 AM   #23
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I didn't realize I was in the newbie forum. I just clicked on the thread title The protune I'm talking about refers to going to your local tuner & dyno and having them tune it using their software. If they are a cobb licenced protuner, they can tune with your AP hence where I'm saying it effectively doubles the cost of the AP. (cost of the AP + the cost of tuning) If they tune with ecutek or open source tuning(which I don't think is released yet) you purely pay for the cost of the tune.

I personally do not trust off the shelf maps.
This is the answer I was waiting for. I will not be wasting money on the accessport or ecutek then, just get a pro tune. Now, the question is, how do u flash back to stock if you want your engine serviced by a dealer under warranty if you dont have the device
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Old 08-13-2014, 11:16 AM   #24
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This is the answer I was waiting for. I will not be wasting money on the accessport or ecutek then, just get a pro tune. Now, the question is, how do u flash back to stock if you want your engine serviced by a dealer under warranty if you dont have the device
You can have the car serviced with an aftermarket tune. You cannot expect a warranty repair or "flash back to stock" for one, that is fraud.
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Old 08-13-2014, 12:09 PM   #25
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You can have the car serviced with an aftermarket tune. You cannot expect a warranty repair or "flash back to stock" for one, that is fraud.
What if install a CAI without a tune? I bet dealers will still use it as an excuse to not honor the warranty even if CAI had nothing to do with the engine problem.
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