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a4 tdi 170 straight through help!!!!

cookie 1984 Oct 8, 2012

  1. cookie 1984

    cookie 1984 New Member

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    hi, i have a audi a4 b7 tdi 170 been remapped then i got straight through twin pipes, but the sound was not realy any different to normal, sometimes when its been driven hot the exhausts change sound instant to a real deep sound and this sounds how it should but then after 5 mins of driving it goes back to normal. anyone know why this is. is the ecu remap?
    thanks
     
    Last edited: Oct 8, 2012
  2. astradti16v

    astradti16v Member

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    Have you still got the centre silencer fitted?
     
  3. cookie 1984

    cookie 1984 New Member

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    no it never had centre section just had the twin boxes and dpf at front.
     

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