loudproud
10+ year member
Junior Member
Hey guys,
When using the port length calculator on the12volt.com and it asks you to enter in the box volume, vb, do you enter in the volume after sub displacements? or enter in the box volume before you take into account the sub displacements?
When using the port length calculator on the12volt.com and it asks you to enter in the box volume, vb, do you enter in the volume after sub displacements? or enter in the box volume before you take into account the sub displacements?