stock is way stronger than that, but it will give you better airflow but not that much better, its more of a bling part or something you get when you have most everything else.
its equal length so it provides better spool up and response over the stock manifold, as for strength i think it would hold up just as well as the stock one, this is no SSAuto mani, this is ProjectSilvia out of dallas, tx high quality stuff....
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