The present invention discloses a vortex induced vibration inhibitor ("VIVI") comprising a hollow cylindrical housing having an elongated opening defined by locking edges. The housing is operable between an open and a closed position. Connecting assemblies include barbed connector pins received in grooved housings. Connector slots are provided in the connector and receptor housings. Retainer pins provide for release of connecting assemblies. Spacers are provided to limit movement of the housing in relation to the surrounded structure. An alignment stub is provided.