Arlen Ness, billet horn kit, Deep Cut. Black CC - UNIVERSAL 501885 Standard size is 3/8-20 (MCS

Standard size is 3/8-20 (MCS 515410/45530-35A)

Uses XL sissy bar side straps

Stage II kit features a 20% larger filter element and accepts an 8" round Ness outer cover only

476" center rotor as compared to a

OEM replacement reference 55879-10

Arlen Ness, billet horn kit, Deep Cut. Black CC - UNIVERSAL 501885 Standard size is 3/8-20 (MCSBlack anodized Contrast Machined finish. Chrome plated finish. CNC machined from forged billet 6061 T6 aluminum. With 110 dB output, which is louder than stock. Diameter 150mm. Note: Arlen Ness horns can be style matched to other Arlen Ness components like air cleaners, foot pegs, grips, gas caps, head lamps, etc.