manifold ni

  1. Tedbuildiy

    Is the 3rd vacuum line necessary?

    Hello all, So I have recently joined the group of many people who snapped the plastic nipple off of the manifold (goes to DV) on my stock DV, why is it even needed to connect to the manifold ? Can I not just plug the 3rd line? Obviously my car is only boosting to 6 PSI (Target : 18) Just...
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