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should i get a BOV

97_A4_1.8Turbo Oct 3, 2007

  1. 97_A4_1.8Turbo

    97_A4_1.8Turbo Member

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    wat kind of bov would sound the best
    i was thinking about the hks ssqv
     
  2. macattax

    macattax Member

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    You will need a diverter valve.
    Try a Baileys DV
     
  3. docurley

    docurley Moderator Staff Member Moderator

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    I run a Baileys with no issues at all.

    [​IMG]
     
  4. S4_BY_U

    S4_BY_U New Member

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    As the Air is measured on intake, you will need a recirc (diverter) Valve. Otherwise intake air measurement will be totally wrong. Same with nearly All VAG cars.

    Not sure how you got away with that Atomospheric Docurley

    Cheers

    Peter

    P.S Baileys recirc is what mine is running, they are pretty sweet :) around £85 I believe.
     
  5. 97_A4_1.8Turbo

    97_A4_1.8Turbo Member

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    wat is the difference between a bov and a dv?
     
  6. fermented

    fermented New Member

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  7. andybnwc

    andybnwc Member

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    if your just after the noise then go ahead with BOV if your after true performance then DV all the way
     
  8. 97_A4_1.8Turbo

    97_A4_1.8Turbo Member

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    thanks
     
  9. macattax

    macattax Member

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    A dv will give you performance and the noise if you either drill a hole or two in the air box or if you get a custom cold air intake. A bov as far as I know only makes the noise but does nothing for performance. Get a DV and forget about the BOV! BOVS are for chavs who want to make their crappy car sound like its a performance crappy car lol
     
  10. S4_BY_U

    S4_BY_U New Member

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    Both Can effect performance, there is long story to tell, One lets unused pressure release into atomosphere (PSSSHHH) which is a BOV.

    And recirc reuses the air in system
    and feeds it back to the system.

    You need a DV< Recirc

    P
     

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