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Exhaust flap

Smiffi Nov 1, 2013

  1. Smiffi

    Smiffi Member

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    Hey guys, nice quick easy question. With the engine off should the flap be open on an S3? I done the flap mod ages ago but reverting to standard for a service tomorrow. Can't remember if it needs to be open or closed though I think open.
    Map is being uninstalled as I write ......boo!
     
  2. Smiffi

    Smiffi Member

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    Nobody? Anyone mind having a quick peak up the left hand pipe to see if it's open?
     
  3. prt57

    prt57 Well-Known Member

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    It's raining down here at the moment, I'll have a peek in the morning!
     
  4. S3_Jacko

    S3_Jacko Well-Known Member

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    Should be closed.... Its an eu regulation supposidly to quieten down cars at low revs... The exhaust flap opens at 3500rpm...
     
  5. bmh.01

    bmh.01 Member

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    With the engine off and no vacuum it'll be open.
     
  6. Smiffi

    Smiffi Member

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    Cheers guys. It is open. Drive to Audi was a bit sedate with the original map on. Might leave it on for a few days so when I put the stage 1 back on I'll be wowed again!
     
  7. hendry10

    hendry10 Member

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    Yep open when closed :racer:
     
  8. hendry10

    hendry10 Member

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    engine off even ....doh
     
  9. PaulAr

    PaulAr S3 (8P)

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    Stick a Milltek on then put the map back on, I did this and it makes a big difference.

    Might know someone local who has a Milltek for a 3 dr. And lots of other goodies as it happens.
     

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