Loading... Please wait...
  • My Account
  • Order Status
  • Wish Lists
  • Gift Certificates

You Recently Viewed...

FOCUS ST Sound Symposer Delete

  • Image 1
  • Image 2
  • Image 3
  • Image 4
  • Image 5
  • Image 6
  • Image 7
Calculated at checkout

Product Description

Installation Manual


This direct bolt-on kit deletes and blocks the sound symposer from your 13+ Focus ST, cutting off the artificial drone noises being directed into the car's cabin, instead allowing you to hear your engine and exhaust tones as they should be. Included is this kit are an aluminum block-off plate and a delrin hose plug, both of which are precision CNC machined from high quality material with laser engraved Boomba logos.


The block off plate features an o-ring on the intake manifold side to ensure a tight seal as well as a threaded 1/4 NPT port and plug, allowing for installation of aftermarket attachments such as oil catch cans or gauges. This kit is also must-have for those higher horse power builds, where the increased boost levels could break the internal diaphragm of the OEM symposer components and cause boost leaks. Installation is simple and as well as completely reversible.


The block–off plates are available in Natural aluminum as well as black, red or blue anodized.





Product Color Disclaimer
Due to variances in the anodizing stage of production that are beyond our control, actual color hue may be different than what is pictured and what has also been previously offered by Boomba Racing. We apologize for any inconvenience and we sincerely appreciate your understanding. For further clarification, feel free to contact us.

Product Videos

Boomba Racing Focus ST Symposer Delete Install (03:22)
  • Boomba Racing ...

Find Similar Products by Tag

Damper  delete  Focus  Ford  kit  motor  mount  mounts  rear  rmm  sound  ST  symposer  Torque  

Find Similar Products by Category

Write your own product review

Product Reviews

Showing reviews 1-10 of 16 | Next

  1. Nicely machined 5 Star Review

    Posted by on 3rd Oct 2018

    I bought this not because I i hate the Sound Symposer but because it crapped out on me and it was more expensive to get it diagnose and repair it. It also matched the the dipstick, oil cap and hood switch I purchased earlier. Very well made and simple to install.

  2. Quick, Easy, High Quality 5 Star Review

    Posted by on 25th Apr 2018

    As has been my experience with all Boomba products so far, the symposer delete confirmed again their commitment to high quality products and execution. First, the shipping was very quick from the time of purchase and the product was nicely packaged. Second, the product itself as well engineered and I have no concerns that, after install, it will fail in any way. Third, the install instructions are very thorough and were referenced in the shipment itself with a handy card. Very happy I did this install and purchased Boomba to do so.

  3. Easy to install, looks good, job well done 5 Star Review

    Posted by on 29th May 2017

    This symposer delete takes away the crappy artificial noise Ford implements into their vehicles. I enjoy the natural sound a lot more. Even though it does not sound as loud in the cabin it sounds much crisper. No reason not to get one, takes 10 minutes to install

  4. Fine quality. 5 Star Review

    Posted by on 2nd May 2017

    Like all of the products I have purchased from Boomba racing it arrived quickly and nicely packaged.
    Open it up and you can feel the quality and heft.
    The delete fit precisely and is a exact fit.
    Now the sound from the cat back is no longer competitive with the symposer. Just what was needed.
    How could something that is called a "delete"
    enhance my engine bay? It looks great.

    You did it again, well done Boomba Racing.

  5. Excellent design 5 Star Review

    Posted by on 28th Oct 2016

    Excellent design and easy installation! Looks the most clean with the entire sound symposer and hose assembly removed.

  6. Awesome Product 5 Star Review

    Posted by on 29th Apr 2016

    Very great quality built product. this was a simple install and the results are fantastic after deleting the induction noise coming from the intake into the car. Now I can hear the car itself and its natural acceleration. I have a stock exhaust and down pipe and can tell a difference.

  7. Solid Delete Kit 5 Star Review

    Posted by on 14th Apr 2016

    This symposer delete kit was easy to install. Even thought the supplied zip tie was too short to hold the hose from the symposer. I used two of my zip ties to hold down the hose. Other than that, the delete piece fit the intake manifold like a charm on my 2016 ST. I actually love hearing the engine and not a amplified intake sound from the symposer.

  8. Good Product 5 Star Review

    Posted by on 10th Sep 2015

    As always Boomba does not disappoint in the quality department.Nice product.

  9. Best SS kit out there 5 Star Review

    Posted by on 3rd Aug 2015

    I paid the slight premium and went with the Boomba SS delete. Very satisfied. Cleans up the engine bay and removes unnecessary components and future leak paths. Boomba parts are always pure quality in both fit and appearance. Shipped quick, too.

  10. Symposers are crap- DELETE them 5 Star Review

    Posted by on 8th Jun 2015

    A nicely made part with great instructions (video!). Even a clutz like me could install it in a few minutes. My car sounds so much better now.

Showing reviews 1-10 of 16 | Next

PayPal Mastercard Visa Discover

Our Newsletter