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C&L Bypass Valve Adapter; Aluminum (15-20 EcoBoost)

Item 389868
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      Review & Installation Video

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Turns Factory BPV into a BOV
      • Distinctive Turbo Sound
      • Billet Aluminum Construction
      • Machined Finish
      • No Tune Required
      • Easy Bolt-On Installation
      • Made in the USA
      • Fits All 2015-2020 EcoBoost Mustangs with Stock BPV


      Distinctive Turbo Sound. The 2015-2020 EcoBoost Mustangs are equipped with an electrically control bypass valve (BPV) which does a great job controlling boost, however it does not make that signature turbo sound that hardcore boost fanatics love. By installing a C&L Bypass Valve Adapter the unused pressurized air will now vent to the atmosphere making that distinct sound all turbo owners know and love.

      Billet Aluminum Construction. Proudly made in the USA from high grade billet aluminum, this C&L Bypass Valve Adapter has been precisely CNC-machined for a perfect OEM style fit. The BPV Adapter is then completed in a mild polished finish for impressive under hood styling.

      Easy Bolt-On Installation. C&L's Bypass Valve Adapter simply mounts between the factory charge pipe and the stock Bypass valve. C&L includes the necessary hardware needed for an easy bolt-on installation that takes less then an hour.

      Application. This C&L Bypass Valve Adapter is designed for use on 2015 to 2020 EcoBoost Mustangs equipped with the turbocharged 2.3L Inline 4-cylinder engine, that are still running the OEM bypass valve/solenoid. No tune is required for operation.


      Fitment: 2015 2016 2017 2018 2019 2020 Details

      MPN# 389868

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (86)

      Write a Review

      Ratings Summary

      4.8 out of 5 overall rating from 86 customers

      • February 28, 2020

        4 2016 EcoBoost - Etham

        White ecoboost convertible

        Works fantastic. Really gives you that sound everybody looks for. Only issue is sometimes when I set cruise control at around 60 it gives a constant sound like air conditioning on high.

        Helpful (0)
      • February 06, 2020

        5 2019 EcoBoost - CodyLanning1

        Bypass valve

        Fast shipping. Easy install. Sounds amazing! 100 recommend.

        Helpful (0)
      • November 28, 2019

        5 2019 EcoBoost - Vinnyc79

        Great sound!!

        Great product dose what it says .. and looks good under the hood.. thanks AM...

        Helpful (0)
      • September 05, 2019

        5 2019 EcoBoost - Christain

        Easy install! Sounds amazing

        Was wary after seeing reviews regarding constant hissing. I’m not sure why other people have that problem but for me it’s absolutely amazing sound. Definitely turns heads and makes the mustang sound crazy aggressive. Easy install, took about 20 minutes total. Probably would be less, but my big roush intake was in the way. I couldn’t be happier with this part. Worth the money by far.

        Helpful (0)
      • August 29, 2019

        5 2016 EcoBoost - omar322093

        C L Bypass Valve

        Product feels solid Easy to install Sounds amazing!

        Helpful (0)
      • August 29, 2019

        5 2018 EcoBoost - Ecobeast9128

        Love it

        I love it. Saw some people post about a whistle at highway speeds. But it's very light and u can just let off for 1 second and back on and it will stop.

        Helpful (0)
      • August 27, 2019

        5 2016 EcoBoost - 16BlueStang

        C L Bypass

        The CandL bypass valve sounds great. Helps release all of the extra air from the turbo. Whistle noise is not super loud but also not low. Installation process was easy took about 10-15 minutes.

        Helpful (0)
      • August 17, 2019

        5 2019 EcoBoost - PaulV

        C L Bypass Valve Adapter

        Quick and easy way to get that swoosh turbo sound,with no ill effects. Good price and looks good in the engine bay.

        Helpful (0)
      • August 10, 2019

        5 2015 EcoBoost - Joeazy19


        Process was about 20 min to install and sounds great! Highly recommend!

        Helpful (0)
      • July 16, 2019

        5 2019 EcoBoost - Dominate4Lyfe

        C L BVA

        Loving my purchase everything coming together great easy install can’t wait for more modifications

        Helpful (0)

      Questions & Answers (8 answers)

      5 Top Rated Questions

      Will this BVA hurt the car or turbo in any way? Does this part limit the amount of boost sent to the engine since it is always open?

      • This will not hurt the turbo in any way, otherwise we wouldn't offer it. This also would not limit your application any more than your stock setup.

      Helpful (1)

      Is there a noticeable horsepower loss?

      this bypass does not require a tune? can it be install to an ecobooost that does not have an intercooler installed? will it increase the performance of the ecoboost? comparing to a full blow off valve

      • There is no tune required to use this. We would suggest installing an intercooler along with this. You will likely see more of a performance increase with a blow off valve instead of this.

      Helpful (0)

      The Review Installation Video is good, but you really need a video of the C L Bypass Valve Adapter doing it's job. I for one, would like to hear the results, before I take the plunge. Is there such a video somewhere?

      Legal in California?

      • The C&L Bypass Valve Adapter is currently legal in California yes.

      Helpful (0)
      Post Your Question
      3 More Questions
      So if I already have a new bov installed will this pretty much be pointless to me? Or will it still make a difference? Wish I'd seen this before would've saved a lot of money,but it was worth it. 1 answer
      Will this void any type of warranty 1 answer
      Would this benefit from a new tune? Since it is changing the air that flows into the system I can't help wondering if the ECU would really be better off knowing about it. Or do the sensors in the system monitor things so accurately no change is required or beneficial? 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Spacer
      • (1) Large O-ring
      • (1) Small O-ring
      • (3) Mounting Bolts

      Tech Specs

      Will It Fit My Mustang

      • EcoBoost - 15, 16, 17, 18, 19, 20

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