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Old 05-17-2013, 09:46 AM   #1
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Stock air box

What does the baffle inside inside the airbox right above the throttle body do ? Is it for sound restriction or does it have a real purpose as in directing air flow ?

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Old 05-17-2013, 09:48 AM   #2
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The airbox is not close to the throttle body??? What do you mean by " inside the airbox right above the throttle body "

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Old 05-17-2013, 09:49 AM   #3
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The square plastic box above the throttle body looks like a plenum
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Old 05-17-2013, 09:54 AM   #4
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This thing

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Old 05-17-2013, 10:01 AM   #5
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I am assuming you would call this a bonnet ? And the other the filter housing
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Old 05-17-2013, 10:04 AM   #6
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Ok technically it's called an "air RESONATOR box" silencer plenum Just am wondering about the baffle inside
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Old 05-17-2013, 11:20 AM   #7
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It's just a baffle. It lowers the noise for your intake. But i think it will also lower your intake flow rate.
Some other vehicles like fords pickup s have almost the same in most cases i removed that thing and we get like 1-4% power increase and more mpg but more noise. I would suggest try it with and without and post the changes.
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Old 05-17-2013, 11:47 AM   #8
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Ok thanks for the answer !
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Old 05-17-2013, 02:54 PM   #9
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I don't have either of those pieces. Is yours a 4 cylinder?
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Old 05-17-2013, 03:12 PM   #10
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Yes it is. I didn't realize there was different air intake systems between the 2.5 and the 4.0 . I was told they were the same setup
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Old 05-17-2013, 03:19 PM   #11
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Well I can tell a difference both in noise and seat of the pants with the baffle out. It seems to rev easier and it doesn't lug at low rpm's in higher gears now. I also cleaned the throttle body off it was oil soaked

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