A4 (B6 Platform) Discussion Discussion forum for the B6 Audi A4 produced from 2002-2005

Foam in airbox

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Old 06-13-2004, 12:47 PM
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Default Foam in airbox

I heard from some people that there is foam in the stock airbox that is used soley to reduce sound and it slightly hinders airflow. Would it be a good idea to remove this foam completely, or does it serve some perpose besides keeping down engine noise?
Old 06-13-2004, 01:14 PM
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prefilter? i cant remember seeing foam...
Old 06-13-2004, 01:34 PM
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I removed mine. No problem. Just take out the foam and the plastic junk.
Old 06-13-2004, 01:47 PM
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me neither?!?!?
Old 06-13-2004, 02:20 PM
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Default u referring to the black-colored foam material inside the box, eh?

btw, mike, where'd you get your sway bars and how much?
Old 06-13-2004, 06:45 PM
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Yup. Got them from Mike at www.purems.com He's great to deal with.
Old 06-14-2004, 12:38 PM
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Default thanks for passing the info; deciding if i should get sway bars or the boosted tech cai...

also, what do you think of the M1 15W-40 "racing" oil? i'm asking cause this was the only oil the d@mn store had - not even some d@mn M1 0W-40! *sigh*
Old 06-14-2004, 01:26 PM
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Default I used to run M1 15w-50 all the time. Currently run Redline 15w-50, but here's the info on them...

<ul><li><a href="http://home.earthlink.net/~wotmotorsport/sitebuildercontent/sitebuilderfiles/myfavoriteoils-2.htm">syntheticoildatabase</a></li></ul>
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