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Has anyone experienced any HP gains or real benefits to upgrading the stock air filter to the K&

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Old 03-09-2006, 05:59 AM
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Default I yanked my K&N out when users here started reporting it was damaging the sensors.

No seat of the pants differences that I noticed. I had one in my 1.8T A4 also, which I yanked at the same time as the S4 one. The A4 definitely had more turbo whistle with the K&N filter installed.
Old 03-09-2006, 06:08 AM
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Why do people put holes in the airbox? Is there a write up for this or is it an easy mod?
Old 03-09-2006, 06:14 AM
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it's like chipping your car all over again! ;P
Old 03-09-2006, 06:15 AM
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STFA (Darintake).
Old 03-09-2006, 06:20 AM
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Default just dont use this shining example.

<ul><li><a href="https://forums.audiworld.com/s4/msgs/2288635.phtml">https://forums.audiworld.com/s4/msgs/2288635.phtml</a</li></ul>
Old 03-09-2006, 06:25 AM
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LMAO! Why not?
Old 03-09-2006, 06:30 AM
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Default this is for the archives...

K&amp;N air filter SUCKS
stock paper air filter GOOD
Old 03-09-2006, 06:34 AM
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Default Does anyone have link handy that shows the easiest way to do this mod? STFA didn't help...

Too many opinions and too many methods. Some say drill 1 hole, some drill 8 holes, some connect a pipe. I have no idea now what I'm supposed to do. LOL.
Old 03-09-2006, 06:37 AM
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Where are you located?
Old 03-09-2006, 06:38 AM
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Toronto Canada


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