VendorPromo FrontRunner CAT
  See more parts for your Ford Focus ST

Agency Power Sound Symposer Delete Ford Focus ST

$40.00 Sale:$26.00

Agency Power

Model #AP-FST-111

In Stock

Help me decide

Shopper Award

Agency Power’s Sound Symposer Delete for the Ford Focus ST allows you to remove the artificial engine cabin sound system. This two piece kit features an aluminum block off plate with an o-ring, ensuring a tight seal to the intake manifold. Built into the plate is a threaded 1/4 NPT port that if needed can be used to install a vacuum line. A delrin plug allows you to close off of the factory symposer tube. The symposer delete kit is a must have for the high horsepower Focus ST. Due to the raised boost levels, a strain to the internal diaphragm of the OEM symposer results in a boost leak. Agency Power’s Sound Symposer Delete comes with all necessary hardware for an easy install.


  • Billet 6061 Aluminum Block Off Plate
  • Anodized Black
  • Delrin Plug
  • Laser Etched Logos
  • Threaded 1/4 NPT Port and Plug
  • Deletes Factory Sound Symposer
  • Easy Installation



  • 2013-2018 Ford Focus ST

Proposition 65

/!\ warningWARNING: Cancer and Reproductive Harm

Vehicle Engine Notes
Ford Focus ST

Policies regarding warranty:
  • Agency Power offers a LIFETIME Limited Warranty against defects or failures.
  • Product Warranties are available for those who fill out the online warranty form on Agency Power.
  • Warranty is available with original Invoice showing purchase date.
  • Titanium exhausts and carbon fiber products carry a 12 month warranty from the date of purchase.

Check out these other great products