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The OE manifold is tested to 80 psi, but since we haven't tested our parts in that manner as yet, we can't really say ours will pass that specification. We are confident it will exceed the 80 psi number, but we'd like to wait until all of our research is absolutely complete before assigning a hard number."
F.A.S.T. Science - LS1 Intake Manifold

 The OE manifold is tested to 80 psi, but since we haven't tested our parts in that manner as yet, we can't really say ours will pass that specification. We are confident it will exceed the 80 psi number, but we'd like to wait until all of our research is absolutely complete before assigning a hard number."  View Related Article

 

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