Each kit consists of 2x Door Stops The commonly replaced standard rubber door stops soften with age leading to high-speed door rattling, speaker vibration, and a generally frustrating driving experience.Replacing the standard door stops with our Powerflex branded 95A durometer door stops, resolves these NVH-related issues and provides a long-term, fit-and-forget solution.  The audio quality from the door-mounted  speakers is also improved due to the reduction of vibration.