A fastener or routing clip for use in a vehicle is configured to reduce the surface area of that is in contact with the tube, wire, or cord to which it is mounted. The fastener clip simultaneously reduces vibration noise. The fastener clip may include two ends which may be connected to each other by a swivel hinge, which allows the two ends of the clip to close and snap-fit together. When in the closed position, the two ends, which further define corresponding semi-circular sections, will capture the tube, wire, cord, etc. thereby mounting them to the clip. The clip may then be mounted to the vehicle. The fastener clip may include at least one flex arm having a bulbous-like end that contacts and pushes on the tube, wire, cord, etc. to reduce the amount of surface contact between the tube, wire, cord, etc. and the clip, and functions as a dampener to reduce vibration noise.