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a6 blow off valve

Discussion in 'A6/S6/Allroad forum (C5 Chassis)' started by stu412t, Apr 7, 2009.

  1. stu412t

    stu412t New Member

    Apr 7, 2009
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    hi i have a 2000 a6 1.8t quattro avant and was thinking of putting a blow off valve in has any one done this and are they any good or just a waste of money
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  3. evomaster3000

    evomaster3000 Member

    Dec 8, 2004
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    look for a cheap twin piston one on ebay.

    May make ur car run slighly rich as 1.8T has a re-circulating one which keeps the air within the system past the MAF.

    I have a Forge one on my TDi, completely different engine and on a diesel has no performance gain whatsoever, but the sound is pretty cool, even if it's from a diesel chug.

    I'd do it.

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