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2016-2021 Honda Civic Front Mount Intercooler - FMIC 1.5T

2016-2021 Honda Civic Front Mount Intercooler - FMIC 1.5T

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Engine performance really comes down to one simple thing …FLOW. The more efficiently the engine can move air in and out from the intake to the exhaust tip the more potential to make power there is.

When Honda developed the 10th Generation Civic and Civic SI they developed an intercooler system that supported their goal - around 200 horsepower. However, as we push for more power we quickly find the intercooler to be a major bottleneck in the engines flow and thus potential power due to poor flow and heat dissipation.

27WON set out to design a performance front mount intercooler and piping system (FMIC) for the 2016+ Honda Civic 1.5T that provided the best balance in flow and thermal efficiency. Read below to see how 27WON continues to REDEFINE The Aftermarket with our FMIC kit.

27won design subheadline

We carefully studied the entire OEM intercooler system. From these hours of research, we found several ways to that we could REDEFINE what a performance FMIC could be for your 10th Gen Civic.

From our aluminum cast end tanks with integrated air-foils to our 4-ply wire reinforced silicone we found opportunities for improvement in all areas of this kit.

27won tested and validated subheadline

Many flow simulations were performed to make sure we utilized the entire volume of the core and not just parts of it. Coupled with hours upon hours of driving on both city streets and highways we were able to collect tons of real-world data.

But don't just take it from us. Click the button Learn More below and check out an article from Super Street Magazine detailing some of the extensive testing that went into the design of our intercooler upgrade for the 2016+ Civic.

27won learn more subheadline

cooling efficiency subheadline

Reducing intake air charge temperature is the #1 job of the intercooler. We not only want to remove as much heat from the air as possible, we also want to be do it consistently. This means we cannot heat soak the core.

The temperature delta is the amount of heat being removed from the boosted air as it passes through the intercooler. The OEM core performs ok for 1-2 quick pulls on OEM power but quickly becomes saturated with stagnant heat. This means it can no longer do its job well. This is a major problem for any type of performance driving.

The 27WON intercooler both removes more heat, which improves performance, but also does not become heat saturated like the OEM core. It can withstand WAY more abuse.

  • Middle Graph White Line = OEM
  • Middle Graph Orange Line = 27WON Core

flow simulation subheadline

A big intercooler is pointless if you do not efficiently use the entire core volume. Verified by CAD flow simulations we designed the inlet and outlet end tanks to optimize flow distribution throughout the entire core. This ensures entire core is used; drastically improving the efficiency of the intercooler and thus releasing more power and potential.

Let's repeat this because it's important. Our internal airfoils better distribute the boosted airflow through the entire core increasing cooling efficiency compared to those without.

color option subheadline

Select our Signature Orange pipe finish to add some flare under the hood and really stand out amongst the crowd.

design optimized subheadline

Our 27WON silicone couplers are constructed of 4-ply reinforced silicone and we didn't stop there. We added integrated wire reinforcement to these couplers.

This drastically increases the strength of the silicone coupler while still allowing for proper flex and bending for engine movement.

power gains subheadline

Testing* was performed on our 2018 SI sedan which is fully bolted including a W1 turbo kit. The only variable in the above testing was our 27WON front mount intercooler system. We have three graphs shown here for a very good reason.

* Dyno testing on a Dyno Dynamics which are known to measure low compared to most other dyno's. Pay attention to the delta here and not as much to the Max numbers.

  • Red Line is the OEM intercooler system tuned on 92oct fuel
  • Green Line is the drop-in result of the 27WON Intercooler System. No tuning changes were made. Drop-in results alone provided 20whp & 25wtq!
  • Magenta Line is the tune optimized for the 27WON Intercooler System. With the increased efficiency and capacity of the 27WON FMIC Kit we were able to safely add more ignition advance to increase power under the curve. This was another 15whp!

Note: with low-end torque hitting much harder in the low RPM range we opted to “soften” the torque hit to help save our stock block.
  • With optimized tuning the 27WON FMIC netted us 35whp & 25wtq with the potential to gain more low-end torque with a built engine.

  • reduced pressure subheadline

    The efficiency of an intercooler is directly related to the pressure drop from the cores inlet to its outlet, below we explain the importance of reducing pressure drop.

    By definition, as it pertains to heat exchangers, pressure drop is the amount of "work" that is required to push the boosted air through the intercooler. The larger the pressure drop the greater the amount of work required. For best performance you want the least amount of drop you can have. By testing various core densities we were able to reduce the pressure drop from ~1.60psi to ~0.70psi thus improving overall performance.

    This helps increase spool time because the turbocharger does not have to work as hard to push air through the core.

    • Lower Graph White Line = OEM
    • Lower Graph Orange Line = 27WON Core

    larger core subheadline

    When it comes to intercoolers…size matters. The frontal area of the core is the most critical dimension to increase the efficient cooling capacity of the intercooler. The OE 4.37in height is not sufficient, we increased the height 41% to 6.50in with width nearly unchanged. This maximized the frontal area behind the grill. Thickness was increased from 2.52in to 3.70in, a 47% increase. This resulted in a total core volume increase of 120%.

    27won breathe easy subheadline

    Unlike some options today, the 27WON Intercooler kit comes complete with intercooler, piping, and silicone couplers. The piping was specifically designed for the L15 engine found in the 10th Gen SI and Base model Civics.

    A single seamless 2.25 inch pipe is used on the “hotside” and a 2.75 inch pipe is used on the “coldside”. Staggered pipe sizes were selected to optimize for power and drive-ability. The relatively smaller 2.25 inch hotside pipe will still support well over 500whp and its smaller size helps move the hot boosted airflow through the intercooler more quickly thus improving response. The larger 2.75 inch coldside pipe was also optimized to create a large “plenum” of air just ahead of the throttle body. This helps reduce turbo lag and improve transient response.

    Our single pipe inlet and outlet minimizes the number of couplers and thus the number of potential boost leaks. Integrated into every coldside pipe is a single 1/8-27 NPT port for methanol auxiliary cooling/fueling.

    easy install subheadline

    Every 27WON Intercooler and Piping kit includes polished stainless steel T-bolt clamps for a complete and professional look.

    • 27WON Cold-pipe can contact underside of Mishimoto intake users

    blog subheadline


    PART 1:
    Your OEM FMIC is tiny
    PART 2:
    A fresh Concept
    PART 3:
    What makes our cast end tanks unique
    PART 4:
    Not you average core
    PART 5:
    Put that in your pipe and smoke it

    27won service and support subheadline
    • Limited Lifetime Warranty
    • Designed in Vancouver, WA, in the greater PNW
    • Fully personalized after purchase support on all 27WON products
    • Full color digital installation instructions . Install app downloads can be found here Play Store and Itunes
    • Free shipping in the lower 48 states and discounted international shipping

    Installing Your 27WON Front Mount Intercooler

    Difficulty: 2/5

    2/5 Difficulty

    No CEL

    No CEL


    Awesome product. Definitely noticed a drop in temperature logged on my KTuner and self observation. From IAT1 to IAT2 the difference in drop temperature was pretty satisfactory for me. Didn’t heat soak after 4 pulls, temp remained the same over stock, where temps usually went up +15-20 degrees. Keep in mind the temp in my area is typically high during the summer. Overall awesome quality, power, and look.
    Finally I got this piece of art to my apartment. Still not installed it but the quality is outstanding! The packaging was great too and everything came to me in a good shape. Can't wait to install it!
    Thanks 27won for these awesome parts!
    Quality! Quality! Quality!

    Everything you need comes in the box with step by step instructions that are easy to follow. This was my first performance purchase from 27won and won't be the last.
    Nabbed this FMIC because I loved how transparent 27Won was with their research and development. After datalogging, I saw drastic drops in IAT2's and knock control. Power delivery is noticeably more consistent and strong. Instructions were easy to follow and the quality is exceptional. An upgraded intercooler is an absolute must for the L15 platform and 27Won knocked it out of the park.
    I’m always ready to jump on a new product release and see what these guys have cooked up this time. I get comments all the time with the huge bold 27WON logo sticking perfectly out of the grill. This was my favorite install—frustration free instructions with super detailed pictures.

    I haven’t got my tune updated much yet but I can already feel the performance increases in power and reduced lag. Also helping improve the total induction sound. Keep it up guys!
    I own everything these guys make. Probably the best company I've ever dealt with in regards to quality and customer service. This intercooler, like all their other products comes with very detailed, colored instructions and the fitment is perfect. I couldn't be happier with it. Looks, performance, everything is on point. Thank you guys!!!
    Love this intercooler! The instructions provided made for an easy install. The intercooler overall is bigger and fitment is tight. At one point the bumper was a little hard to line up but once I noticed the lower garnish below the intercooler wasnt sottingnin the bumper right. So once I adjusted that everything went in with no issues!

    Love the black :D
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    2016+ Honda Civic with the 1.5L turbo engine (USDM) includes all sedan, coupe, and hatch
    2016+ Honda Civic with the 1.5L turbo engine (International) includes all sedan, coupe, and hatch
    2017+ Honda Civic SI (FC1 and FC3)