Mishimoto 2016+ Honda Civic 1.5L Turbo Intake Development

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Mishimoto

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The Civic Has Boost! Performance Intake R&D, Part 1: Stock System


As some of you already know, we have finally been graced with a brand new 2016 Honda Civic with the 1.5L turbo engine! We have planned our R&D process for the design of a performance intake and we are starting this project by dissecting the stock system so we can learn as much as possible. Let’s jump right in!

The Stock Intake

keb61z.jpg


Honda has done an excellent job with their new Earth Dreams 1.5L motor. This turbocharged engine has a power output rated at an impressive 174hp, which is a nice amount of power for this new-age Civic. We are very excited about this chassis and we are eager to dig in and develop an awesome intake that will provide easy bolt-on power. Let’s check out some shots of the stock system on the car.

2vcuffb.jpg


mrblhx.jpg


20fqav8.jpg


The intake has simple routing, but the system is more complex than you might think – we will get to that in a bit. You’ll notice that part of the intake piping is routed right over the turbocharger. In our design, we will opt to leave this part of the system alone so as to help with heat soak. Check out some images below.

11m43cw.jpg


2vwzol1.jpg


Once we removed the desired pieces, we found a good amount of space to work with on our intake design.

2vijoco.jpg


Another pretty interesting design feature is the way that air is diverted to the intake. On the front driver-side part of the hood, a small rubber diversion plate is located right above the intake inlet. We had to be sure that this air diversion was indeed the purpose of this piece, as that is crucial to how we will go about designing this intake.

rh1zj7.jpg


29270rb.jpg


As we closed the hood, you can see in the shot above that the plate is placed right next to the vented area, which is empty space that air passes through. So, the air comes into that space via the front grille. Check out an image below that was taken from behind that area.

2q0kitf.jpg


Let’s dive into the stock system components a bit more. Below is an image of the entire system.

2mnqd0g.jpg


The top half on the right is the intake where the air passes into the airbox. This is also the location of the air filter. The bottom half on the left is the resonator that attaches to the intake. It is more common in modern cars to have resonators incorporated in stock intake systems. They enhance the sound of the engine inside the cabin by means of specific frequencies.

Let’s see more in-depth images of these 2016 Honda Civic parts!

358w0t3.jpg


opppn5.jpg


31692yh.jpg


To wrap up this introductory post, let’s go over the goals we have set for this project.

Goals

Include a fully enclosed airbox

We want to be sure that this Civic is getting the coolest air possible. Since this is a very tight and compact engine bay, it is important that we keep things cool with this intake, so an enclosed airbox is a necessity.

Utilize the factory air duct
Utilizing the factory air duct is important here. There is already a design in place for directing fresh air into the stock intake, so why not make use of that in our design?

Replace only the top portion
The top half of the stock intake looks simple enough, however, removing the resonator was a complex task. We’d like to keep the resonator exactly where it is, which will keep the install easier and also reduce the number of parts that need to be removed from the car.

What’s next?

We will be designing and testing a prototype to see what kind of improvements we can make. Up next, our prototype design!

Thanks for reading!



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David Hughes

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The Civic Has Boost! Performance Intake R&D, Part 1: Stock System

As some of you already know, we have finally been graced with a brand new 2016 Honda Civic with the 1.5L turbo engine! We have planned our R&D process for the design of a performance intake and we are starting this project by dissecting the stock system so we can learn as much as possible. Let’s jump right in!

The Stock Intake

keb61z.jpg


Honda has done an excellent job with their new Earth Dreams 1.5L motor. This turbocharged engine has a power output rated at an impressive 174hp, which is a nice amount of power for this new-age Civic. We are very excited about this chassis and we are eager to dig in and develop an awesome intake that will provide easy bolt-on power. Let’s check out some shots of the stock system on the car.

2vcuffb.jpg


mrblhx.jpg


20fqav8.jpg


The intake has simple routing, but the system is more complex than you might think – we will get to that in a bit. You’ll notice that part of the intake piping is routed right over the turbocharger. In our design, we will opt to leave this part of the system alone so as to help with heat soak. Check out some images below.

11m43cw.jpg


2vwzol1.jpg


Once we removed the desired pieces, we found a good amount of space to work with on our intake design.

2vijoco.jpg


Another pretty interesting design feature is the way that air is diverted to the intake. On the front driver-side part of the hood, a small rubber diversion plate is located right above the intake inlet. We had to be sure that this air diversion was indeed the purpose of this piece, as that is crucial to how we will go about designing this intake.

rh1zj7.jpg


29270rb.jpg


As we closed the hood, you can see in the shot above that the plate is placed right next to the vented area, which is empty space that air passes through. So, the air comes into that space via the front grille. Check out an image below that was taken from behind that area.

2q0kitf.jpg


Let’s dive into the stock system components a bit more. Below is an image of the entire system.

2mnqd0g.jpg


The top half on the right is the intake where the air passes into the airbox. This is also the location of the air filter. The bottom half on the left is the resonator that attaches to the intake. It is more common in modern cars to have resonators incorporated in stock intake systems. They enhance the sound of the engine inside the cabin by means of specific frequencies.

Let’s see more in-depth images of these 2016 Honda Civic parts!

358w0t3.jpg


opppn5.jpg


31692yh.jpg


To wrap up this introductory post, let’s go over the goals we have set for this project.

Goals

Include a fully enclosed airbox

We want to be sure that this Civic is getting the coolest air possible. Since this is a very tight and compact engine bay, it is important that we keep things cool with this intake, so an enclosed airbox is a necessity.

Utilize the factory air duct
Utilizing the factory air duct is important here. There is already a design in place for directing fresh air into the stock intake, so why not make use of that in our design?

Replace only the top portion
The top half of the stock intake looks simple enough, however, removing the resonator was a complex task. We’d like to keep the resonator exactly where it is, which will keep the install easier and also reduce the number of parts that need to be removed from the car.

What’s next?

We will be designing and testing a prototype to see what kind of improvements we can make. Up next, our prototype design!

Thanks for reading!
Very exciting news. I had a short ram recently installed and it made a huge difference! Are you guys planning on coming out with a exhaust system?
 
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Mishimoto

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Very exciting news. I had a short ram recently installed and it made a huge difference! Are you guys planning on coming out with a exhaust system?
Yea we're pumped! Unfortuntely, we currently do not have any plans for an exhaust.
 

FC1rob

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I wonder, why not just develop a high flow drop in filter? It looks like the factory airbox is really efficient and you guys are going to re-use the resonator and air inlet. Also, what do you guys think of the Injen intake?
 

David Hughes

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I wonder, why not just develop a high flow drop in filter? It looks like the factory airbox is really efficient and you guys are going to re-use the resonator and air inlet. Also, what do you guys think of the Injen intake?
I have the injen short ram installed. Very happy with it. I am skeptical about the claims of a 29hp gain however there is definitely a noticeable difference. Love the "sucking" noise when you hit the gas and the spooling of turbo is cool.
 

FC1rob

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[QUOTEIavid Hughes, post: 45588, member: 2981"]I have the injen short ram installed. Very happy with it. I am skeptical about the claims of a 29hp gain however there is definitely a noticeable difference. Love the "sucking" noise when you hit the gas and the spooling of turbo is cool.[/QUOTE]


Yea ive
I have the injen short ram installed. Very happy with it. I am skeptical about the claims of a 29hp gain however there is definitely a noticeable difference. Love the "sucking" noise when you hit the gas and the spooling of turbo is cool.
I love the intake noise on turbo cars too especially on my y8 turbo EK. Im also concerned about how much this Mishimoto box is going to be since it will basically be a filter and a new top portion of the stock airbox. If it's more then the Injen then I won't see the justification since we can wait for K&N or other manufacturers to make high-flow drop-in filter and save $$$.
 
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Sweet cant wait for this
Thanks!

But definitely a inter cooler right?
For now, the only two things we are developing for the car are the catch can and this intake. So no plans for an intercooler either. But you never know what the future may hold!

Cool, now I can buy the oil catch can and the intake at the same time!
Awesome! You'd be getting a couple of pretty awesome products!!

I wonder, why not just develop a high flow drop in filter? It looks like the factory airbox is really efficient and you guys are going to re-use the resonator and air inlet. Also, what do you guys think of the Injen intake?
There are some improvements that can be made on this system. You'll see as we dive deeper into our prototyping phase. This is why we are replacing the stock airbox, it is pretty restrictive and can be made much more efficient! Also, a couple of things we intend to incorporate that will help separate us from the competition is the use of a fully enclosed airbox (absolutely no concerns of hydrolock), a relatively simple install and repeatable/reliable performance gains.

The resonator won't really serve much of a purpose as we won't intend for it to actively be part of our system, it will just be sitting there more than anything. It's a difficult piece to completely remove from the car, so since it won't serve a leaving it would help with easing the install. Hope this helps!
 

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Mishimoto is on the right track doing a stock box type design. The highest aftermarket intake gains on the 9th civic was the stock airbox style with a cone filter. Honda did their R&D to squeeze those extra horses, so keeping to their design placement is smart for proper air flow. I mean, the filter is right there at the hood, that's a perfect spot. Cold air intakes are risky anyways, even with a "hydroshield".
 

Akinari

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Is there any chance that this intake system would be designed with the Canadian-spec's significantly larger washer fluid reservoir in mind, which is placed on the driver's side instead of the passenger side? Injen's CAI/SRI combo does not work as a CAI on the Canadian models because the location of the washer fluid reservoir is essentially where the pod filter would go for the CAI setup.
 
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Mishimoto is on the right track doing a stock box type design. The highest aftermarket intake gains on the 9th civic was the stock airbox style with a cone filter. Honda did their R&D to squeeze those extra horses, so keeping to their design placement is smart for proper air flow. I mean, the filter is right there at the hood, that's a perfect spot. Cold air intakes are risky anyways, even with a "hydroshield".
We totally agree! Thanks for the support.

Is there any chance that this intake system would be designed with the Canadian-spec's significantly larger washer fluid reservoir in mind, which is placed on the driver's side instead of the passenger side? Injen's CAI/SRI combo does not work as a CAI on the Canadian models because the location of the washer fluid reservoir is essentially where the pod filter would go for the CAI setup.
As long as the reservoir does not interfere with the box itself (which it shouldn't), there will be no fitment issues. Our design replaces the stock airbox with our own, so our pipe and filter will not extend past underneath the box. Hope this helps!
 

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Oh how exciting! Mishimoto stepping up on this opportunity. I was going to buy an injen intake and I'm glad I held off for now. More options woot!
 

TechSIguy

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Looks Good can't wait to see the finish product. Hopefully you guys will come out with one for the SI models for those of us that are waiting :)
 
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