COBB Tuning Sound Suppression Chamber – Ford Focus RS 2016-2018
- Reduce or eliminate intake whistle noise
- Works with most aftermarket intakes
- Anodized Black Aluminum
- No Tuning Required
Larger aftermarket intakes create an imbalance with the factory sound suppression chamber resulting in an audible whistle. The COBB Ford Sound Suppression Chamber increases volume over the factory unit which cancels out the resonance to reduce or eliminate the whistle noise. It works with most aftermarket intakes.