Negative posted by MrOzzie5183 on November 22, 2011 at 07:16 PM
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an IC core, which will have an impact on flow. The Massive ICs themselves IIRC flow around 425CFM, while these 54mm TBs flow 450cfm. Tack on feet of intake piping and you bring the overall flow rate down even more, below the capability of the 54mm TB.