AIRTEC Motorsport sound suppressor for Focus RS MK3.

Designed to stop the MK3 RS 'whistle' on idle or light throttle openings. The AIRTEC Motorsport sound suppressor is designed to cancel out this whistle. This is done by simply removing the standard part and replacing it with AIRTEC's sound suppressor.

Features:

• Stops intake whistle
• Pro Hoses silicone hose
• Easy DIY install
• Machined aluminium insert