A Universal Atmospheric Dump/ Blow off Valve locally manufactured by Xcell Performance
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This Universal Atmospheric Dump/ Blow off Valve is locally manufactured in South Africa by Xcell Performance.
These DV's are of fantastic qaulity and use rubber o-rings to seal the piston to allow minimal to no leakage of boost and system vacuum past the DV piston.
These Universal Piston Dump Valves are fully serviceable and the spring tension can be increased by adding shims/spacers behind the spring to increase loudness and to withstand higher boost pressures before blow off will occur.