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· Premium Member
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back pressure NA to a certain degree is a good thing...FI I would think the less the more or less relying on the H to make some because the magnapacks i have are obviously a dead straight shot through em lol
with boost force it in and out as fast as possible

na needs that backpressure for low end power, less back pressure will help you a little up top though i do believe...someone can correct me if im wrong.
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