6 PCS 33mm Swirl Flap Flaps Delete Removal Blanks Plugs for BMW M57 (6-cylinder)(Black)

1. To remove the swirl flaps you will need one piece per cylinder, so 6 per engine. 2. Swirl flap for replacement. 3. Material: Aluminum + Silicone 4. Durable and lightweight. 5. Suitable for: BMW 6. Size: 33mm