Originally Posted by IHateThisSite
With all of this ... I would like to see numbers from a drop in filter .. And a tune ... I think the intake is purely a looks thing ... Kinda like most exhaust mods are for sound more than power... Nothing wrong with that ..
Ps... Thanks for the amazing write up... Major thumbs up..
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No one I talked to mentioned any testing with drop in's. But I didn't ask either as it wasn't my inquiry. This would be well to see. But given the evidence, a drop in should pick up past 4k if nowhere else.
P.S...I love you too.
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The only thing I find concerning about "CAIs" is that they don't do a good enough job of isolating hot underhood air from the intake stream. Some of them have no shield at all, or a cheezy plastic barrier and piece of weatherstrip. A few of them use a fully shielded box and I like that. Another concern is some CAIs produce noisy MAF signals, hurting driveability and power.
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The K&N and AEM products have good cutaway shots where they incorporate a grill facing inlet into the sealed box. Also the "duplicated signal" is something I can't attest to it's ability to do it's job as intended either. Hence a custom tune...recommended...always IMO.