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C&L Intake Manifold Spacer (15-17 EcoBoost)

Market Price $194.24 You Save 20% ($39.25)
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$154.99 (each)

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  • Item 389989

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    Features & Details

    • Improves Performance And Fuel Economy
    • Helps Build Boost Earlier
    • 0.75" Thick - Increases Plenum Volume
    • Eight Pre-drilled 1/8" NPT Ports for Methanol or Nitrous Injection
    • Billet Aluminum Construction
    • Simple Bolt-On Installation
    • No Tune Required
    • Fits 2015-2017 EcoBoost Mustangs
    More Power. Build boost sooner for more power by simply installing a C&L Performance Intake Manifold Spacer. This Intake Manifold Spacer increases the plenum volume by 0.75" which in turn helps improve the low to mid-range torque of your Mustang's turbocharged engine. When paired with a matching C&L throttle body spacer you will see even bigger gains.

    Eight Pre-Drilled Ports. This C&L Intake Manifold Spacer features eight pre-drilled 1/8" NPT ports to accommodate the installation of a nitrous system, methanol injection or a boost gauge. Stainless pipe plugs are also included for unused ports.

    No Tune Required. No tune is required when installed with the factory intake system alone. However if installed in conjunction with a methanol or nitrous set up a custom tune will be required for proper operation.

    Billet Aluminum Construction. CNC machined from 0.75" thick, high grade billet aluminum, the C&L Performance Intake Manifold Spacer features a mild polished finish for an impressive under hood appearance. C&L includes all the necessary hardware and easy to understand instructions for a simple, straightforward installation.

    Application. This C&L Performance Intake Manifold Spacer is specifically designed to fit the 2015-2017 EcoBoost Mustangs equipped with the turbocharged 2.3L in-line 4-cylinder engine and the factory Intake Manifold installed.

    Fitment: 2015 2016 2017 Details

    MPN# 389989

    CA Residents: WARNING: Cancer and Reproductive Harm -

    What's in the Box
    • (1) Spacer
    • (5) Bolts
    Installation Info
    Tech Specs
    Will it fit my Mustang?

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    Questions & Answers (8)

    5 Top Rated Questions

    Can you describe the actual mod needed to refit the engine cover? Is it a few spacers, cutting, or what?

    Will this fit a 2018 mustang ecoboost

    • Unfortunately this will not fit a 2018 model. Only the 15-17 EcoBoost models.

    Helpful (0)

    will this void the vehicle warranty?

    • We recommend checking with your dealership to confirm what modifications will void the warranty on your vehicle.

    Helpful (0)

    I remember seeing a kit that was available that would allow the engine cover to fit properly after installing the C L Intake Manifold Spacer. The kit came with the spacer, but I don't recall the website that was selling the C L Intake Manifold Spacer.

    • We are unaware of a kit that will allow the engine cover to properly fit with the C&L Intake Manifold Spacer.

    Helpful (0)

    what is the actual increase in hp and torque? I would be using this in conjunction with my cai and throttle body spacer.

    • We do not yet have estimated HP and torque gains for the Manifold Spacer as this can vary from application to application.

    Helpful (0)
    Post Your Question
    3 More Questions
    What is final installation torque for manifold bolts provided in the kit? 1 answer
    Will the factory engine cover still fit after installing this? Thanks 1 answer
    Does this product make a difference with the placement of your engine cover? Or will your engine cover still fit in the original placement 1 answer

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    Customer Reviews (11) Write a Review

    Overall Rating 4.7

    out of 5 stars

    Installation Time:Less than 1 Hour

    • Performance Gain 4 4
    • Fit 4.666667 4.7

    • 4/5

      Installation Time: Less than 1 Hour

      March 22, 2019

      Experience varies

      This is not a part that you will notice gains of either hp or tq. With the price being where it is and it improving mpg you can expect to save money down the line. (My main reason for my purchases btw)


      Year: 2016 Submodel: EcoBoost

      Helpful (1)

    • 5/5

      Installation Time: Less than 1 Hour

      December 15, 2017


      If you have this spacer with the throttle body spacer if you have a box cai it won’t fit unless you take your intake out of the box and have it a open air intake, fits good and runs good, first ecoboost in Arizona to beat GT’s ;)


      Year: 2016 Submodel: EcoBoost

      Helpful (13)

    • 5/5

      Installation Time: Less than 1 Hour

      August 25, 2017

      Intake manifold spacer

      Definitely a must have, I installed this with the CandL throttle body spacer and the turbo lag is almost totally gone! Huge improvement anyway! Shifting through the gears seems smoother now. I don't think there is any actual power gain but sure feels like it! Super easy to install. The plastic head cover won't fit properly once you have the spacer in but all I did was remove the one stud so it will lay flat again and just fasten it down on the left side(it's not going anywhere). Otherwise you'll have to redrill some holes in the cover.


      Year: 2017 Submodel: EcoBoost

      Helpful (8)

    • 4/5

      Installation Time: Less than 1 Hour

      July 03, 2017

      not inpressed

      this install didn't just fall into place , I had to man handle it for it wouldn't go into place on the guide pins , I found that reaching down below the plenum and pulling up and in towards the motor allows you to match up with the guide pins . all in all I installed this with a throttle body spacer and can say that this is an install that left me feeling as if I had lost power also , I hope when I get all these mods installed and I have the tune installed that I don't regret spending all of this money on upgrades ..


      Year: 2016 Submodel: EcoBoost

      Helpful (7)

    • 5/5

      Installation Time: Less than 1 Hour

      June 08, 2017


      Easy install, dust cover can fit, but you have to monkey with it. I left the dust cover off because my engine runs cooler without it. It looks great, performs well, great for nitrous or meth-injection. I just like it for the plenum volume increase, as I do notice better boost characteristics. I recommend this to any one.


      Year: 2017 Submodel: EcoBoost

      Helpful (4)

    • 5/5

      Installation Time: Less than 1 Hour

      April 20, 2017

      Great part!

      Great quality part looks great under the hood and worked great with my direct port methanol injection kit on my ecoboost. Install was fairly easy and simple as it comes with step by step instructions. U can remove all five bolts from the top with an extension. Would def recommend for anyone wanting to add some fuel to there ecoboost mustang.


      Year: 2016 Submodel: EcoBoost

      Helpful (5)

    • 5/5

      Installation Time: Less than 1 Hour

      March 26, 2017

      Smooth Power Gains!

      This mod along with new throttle body and new throttle body spacer created a new and smoother and quicker exceleration response from my ecoboost mustang. I highly recommend the manifold spacer as one of your mods while upgrading your mustang


      Year: 2015 Submodel: EcoBoost

      Helpful (6)

    • 5/5

      Installation Time: Less than 1 Hour

      January 11, 2017

      Worth it

      The boost builds quicker, and I also made 1mpg better city driving. After watching a video it was easy to install I would give yourself an hour to put this part on.


      Year: 2015 Submodel: EcoBoost

      Helpful (5)

    • 4/5

      Installation Time: Afternoon

      December 20, 2016

      C L Intake Manifold Spacer

      Installation wasn't too hard, just a little pushing and pulling to line it up and get the bolts threaded, the rest was simple stuff. I haven't seen a huge boost in performance, just a little more power and mileage. If I keep this car for a few years, it will probably have paid for itself.


      Year: 2017 Submodel: Ecoboost

      Helpful (5)

    • 5/5

      September 27, 2016

      C L Intake Manifold Spacer

      Great product, nice fit and finish!!! I can tell a difference by putting this part on. It actually gave my car a little boost in hp, helped air flow and best part NOS ready.


      Year: 2015 Submodel: Ecoboost

      Helpful (5)

    • 5/5

      July 07, 2016

      Great product

      This product was perfect for my ecoboost mustang added nice horsepower combined with throttle body spacer


      Year: 2016 Submodel: Ecoboost

      Helpful (7)

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