Home / Performance / Bo1 Dump Valve Bo1 Dump ValveR1,254.00 A Universal Atmospheric Dump/ Blow off Valve. 25 in stock Bo1 Dump Valve quantity Buy now Categories: Dump Valves, Performance Tags: Dump Valves, Performance Product ID: 592 Description Description A Universal Atmospheric Dump/ Blow off Valve. Related products 38mm High Flow Wastegate R2,800.00 Buy now 50mm External Wastegate R5,980.00 Buy now Subaru Dump Valve (Straight Flange) R1,714.00 Buy now Super Sequential Dump Valve R1,800.00 Buy now