Radium Engineering Sound Symposer Block-Off – Focus ST 13–18

This Radium Engineering block-off kit is specifically designed for the 2013+ Ford Focus ST to remove the factory sound symposer system. As engine modifications increase power and intake/exhaust volume, the symposer becomes unnecessary. This kit eliminates it entirely, frees up space, and provides an optional vacuum reference port—all with a simple, no-drill installation.

Vehicle Compatibility:

• 2013+ Ford Focus ST

Key Features:

• Replaces OEM sound symposer system

• Installs in minutes with basic hand tools

• No cutting or drilling required

• Reuses the factory Ford gasket for reliable sealing

• Machined 1/8" NPT port can be plugged or used for vacuum reference

• Ideal for freeing space and simplifying boosted setups

A simple, effective solution to clean up your engine bay and remove a now-obsolete factory system.