Our 3-piece foam ring speaker enhancement system solves the problem of acoustically coupling aftermarket speakers to factory speaker openings. The RoadKill Fast Rings kit increases speaker output, improves the projection of the audio into the car cabin and reduces unwanted rear reflections that can degrade the sound.
3-piece Foam Ring System fits 5″ & 5.25″ Speakers
Increase mid-bass response
Minimize destructive wave interference
Help prevent front and rear wave cancellation
Easy installation with peel & stick application
Maximize performance for speaker installations
Sold in pairs