Whats the point?
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Senior User
Joined: Feb 2003
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From: North AL.
Whats the point?
Why spend the money on a K&N filter when the air intake tubes on my 96 have that restrictive plastic inline coupler? It reduces my 4'' tubes down to the size of a silver dollar! Can I get rid of it? Ford had to put it there for a reason.
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Joined: Jul 2003
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From: Alvin, Texas.
Good question.
As lousy as many Ford factory cylinder heads were before the PI Triton/Intech or even the Duratech family heads came along, that's an even bigger problem before the air filter becomes relevant.
As lousy as many Ford factory cylinder heads were before the PI Triton/Intech or even the Duratech family heads came along, that's an even bigger problem before the air filter becomes relevant.
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Joined: Jun 2006
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From: Ottawa, Ontario
Originally Posted by silvers
Why spend the money on a K&N filter when the air intake tubes on my 96 have that restrictive plastic inline coupler? It reduces my 4'' tubes down to the size of a silver dollar! .
Can't say I have ever seen what you describe, but it would be gone quicker than a fat kid on a Smartie if it were on my truck.
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Senior User
Joined: Feb 2003
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From: North AL.
Sorry, no pics. I have dual intake tubes from the filter box to this plastic coupler which is positioned close to the intake. The dual tubes then proceed to the TB. There is a large vacuum line exiting the bottom of the coupler with an inline canister (valve) on it. Then the vacuum line inters the intake just below the TB.
It looks like ford designed it that way(small holes in the coupler) to create more vacuum maybe.
Has anyone taken this off or made the holes bigger?
It looks like ford designed it that way(small holes in the coupler) to create more vacuum maybe.
Has anyone taken this off or made the holes bigger?
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Senior User
Joined: Jul 2006
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From: South Georgia
I'm not sure what you're talking about without pics but my stock 4.9 intake doesn't look all that restrictive. Especially not for a bone stock engine.
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From: Concord, NC
I think the 460's had some restrictive plastic piece midway down the intake hoses (460's remained speed density, except maybe in California, until the new superduty trucks arrived). I've read of other guys opening these things up without any problems.