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Biggest port you can do while still remain emission legal.

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Old 01-26-02, 09:57 AM
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Biggest port you can do while still remain emission legal.

Hey guys, what is the biggest port you can do when you rebuild motor while remain emission legal and driveable?
Old 01-26-02, 11:58 AM
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Street ports can pass emissions on a car that is running good withg cats. Anything bigger than that might be possible, but it would take a lot more work with tuning it to perfection.
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