Fits 6" & 6.5" Speakers 3-piece foam ring speaker enhancement system--gasket mounts speaker to baffle plate surface, middle ring mounts around Outer edge of speaker & Circular foam pad goes behind the speaker to absorb unwanted reflections on hard surface

Stinger' s Roadkill RKFR69 FAST Rings isolate speakers from their mounting surface and the factory door panel to help eliminate unwanted vibration and noise from the door panels, while increasing midbass response. You' ll have to trim FAST Rings for proper fit.