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Replace Backbox for straight pipe + tips - for 2.0 TDi (140)

Discussion in 'A3/S3/Sportback (8P Chassis)' started by marwayg, Nov 13, 2012.

  1. marwayg
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    marwayg Member

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    Hi all,

    I know this may be a re-occuring thread, but Does anybody have any videos or audios of what their exhausts sound like after a back box removal and replaced with a straight pipe?

    Does it increase turbo noise? Any increase of turbo spool? and turbo dump noise (without a dump valve)

    Any effect on economy? MPG?

    im considering having it done for christmas!! :) + having 2.5" rolled tips put on :)

    Thanks!
    #1
  2. BradHatton
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    BradHatton Member

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    Search Ash187
    :)
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  3. Mr. B
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    Mr. B English...not so good

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    #3
  4. marwayg
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    marwayg Member

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    Yeah ive read that forum before and watched the video ... but i need more examples... one video just doesnt do it for me lol :(
    Need more information on turbo noise, whilstle, spool etc... :)
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  5. Mr. B
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    Mr. B English...not so good

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    Haha lol just do it mate, it's a like £90 mod. Don't get your hopes too high. I did it mainly to get rid of the down facing pipes
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  6. S3Alex
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    S3Alex Rarely neutral

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    I'm not sure how it will sound on a diesel,but on an S3,it's bordering on anti-social......you do get better spool,but not a lower rpm at which it occurs,but the difference is certainly noticeable on my car.
    The turbo itself won't sound any different,but be very sure you want to put up with extra noise,and possibly exhaust drone as well.
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  7. Mr. B
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    Mr. B English...not so good

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    Must sound sweet, if I had that my neighbours would kill me, so noise sensitive with their kids. I would have to drive half way home and push the car into my drive way.

    Here is another example if you haven't seen it already, sounds very similar:

    Last edited by a moderator: Aug 15, 2014
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  8. S3Alex
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    S3Alex Rarely neutral

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    Thanks!......sweet is proably not what anyone within earshot thinks,especially when it lets a nice bang loose......I know a few of AMD's customers running even smaller centre boxes than mine.
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  9. marwayg
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    marwayg Member

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    £90?! :O now where can i get it done for that much?
    Im getting quoted £150 by my matey :\
    #9
  10. AudiMafia
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    AudiMafia Member

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    this one sounds better, without deleting back box
    Last edited by a moderator: Aug 15, 2014
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  11. Minstadave
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    Minstadave Member

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    Straight through pipe on a 140bhp 4 pot diesel - nooooice one bruv.
    #11
  12. BradHatton
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    BradHatton Member

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    Not sure I agree!
    Last edited by a moderator: Aug 15, 2014
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  13. BradHatton
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    BradHatton Member

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    Sarcasm? Haha
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