Originally posted by Wien_Sean:
He's talking about the UIM, not the exhast. I think you could use the stock 3L UIM as that had a streight path and it does little (from what I've heard) for hp or tq. Maybe 1-2 hp but that's the same as an intake really.



but the stock 3l doesn't flow as much air as a svt intake. The manifold is actually quite a genious design. If you did not notice when you get around 3000 rpms the car really opens up. Its causes there are butterflys in the lower intake that open to let the addittional runners provide them with air. If you notice there ar two lenths in the runners that provide air in the lower intake manifold long and short.

if you really don't like what watson/ford engineers have created try something custom.

Last edited by svtProdigy; 02/25/06 05:00 PM.
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