123mm Blow off assembly with 2.5" connectors

Greatly reduces the risk of Throttle Body and Charge Pipe damage. Creates Low pressure zone to evacuate boost pressure instantly to the blow off valves. Relieves pressure on the TB blade instantly when the blade closes. Eliminates reversion wave to a Blow off valve downstream in the charge pipe. Directs the air flow correctly through the throttle body to add HP. Billet Aluminum. 360 Degree Clocking. 2.5" V-band Blow off Valves or 3" V-band Blow Off Valve. 2.5" V-band Blow off Valves ( ID 2.437" OD 3.2") 3" V-band Blow Off Valve. ( ID 2.975" OD 3.786") Optional Block off plate for use with 1 Blow off valve. Designed to pair with our High Boost 123mm Throttle Body. Blow off valves are sold separate. V-Band clamps are sold separate. Block Off Plate sold separate.