Intake Pipe size - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-27-2003, 06:32 PM   #1
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Default Intake Pipe size

How big should the pipe be for the intake. I am trying to make a custom intake. is it 2.5" or 3"
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Old 03-27-2003, 06:46 PM   #2
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try a 3inch with a good filter like K&N
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Old 03-28-2003, 12:06 AM   #3
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3" is perfect. 4" is too big, 2.5" too small. Hector spent alot of R&D time figuring out the best diameter.
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