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Update Of De-cat Downpipe (Pics)

Discussion in 'A3/S3 Forum (8L Chassis)' started by Jays Audi Turbo, Apr 9, 2010.

  1. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    Got all the pipe and flexi this week started on downpipe last night and finished this afternoon, just got to put boss in for lambda sensor.
    Its 3inch to flexi then is reduced down to 2.5inch after flexi, will be fitting next week onto standard system untill i get new cat-bk system done, if anyoen is interested in one let me know.

    Sorry about pics they were taken on my camera phone
    Pics.
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    Jay
    #1
  2. JD09
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    JD09 I'm not modding, I'm improving

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    Other than the reallllyyy suspect welding at one end, looks good for a DIY :)
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  3. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    What you mean suspect welding theres nothing wrong with the welding, i'll get some better pics when my camera is fixed
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  4. JD09
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    JD09 I'm not modding, I'm improving

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    I'm sure it's probably just the photos from the phone, but the welding at the turbo end looks atrocious. But like I say, most likely dark pictures are to blame.
    #4
  5. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    ah that bit yeah its the phone m8 i'll get more pics when camera is fixed
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  6. s3dave
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    s3dave TFSI Hybrid

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    just curious why you did not keep it 3 " all the way? ....are you going to the pod on sunday?
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  7. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    I got told 3 would be to big all the way so i went for a 3 into 2.5 setup, 2 of my m8s have the same setup and they sound great and oull very well to, i wont be going sunday as i cant get down
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  8. s3dave
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    s3dave TFSI Hybrid

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    n/a engine yes ...forced induction bigger the better, the quicker it can get out the quicker it can gulp more in..
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  9. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    It will do am having a straight thru center section and a rear box both out of 2.5 that should be plenty
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  10. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    ...providing the turbo can flow that amouth of air... we are talking about a K03 here... bigger turbos then yes, 3" all the way but not worth the extra cost over 2.5" IMO for a K03 turbo..

    <tuffty/>
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  11. A3Tom
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    A3Tom Smell my finger.

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    I like the look of these.

    How much would i be looking at for one including a sports cat for my AGU?
    #11
  12. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    About £300 Delivered with sports cat & £200 Delivered for de-cat like above
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  13. A3Tom
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    A3Tom Smell my finger.

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    Thats very tempting.
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  14. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    Price will vary from time to time as stainless material is always up & down etc, but the cheaper option i could do is a de-cat pipe with a removable normal cat come mot time
    #14
  15. A3Tom
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    A3Tom Smell my finger.

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    I think I'd just go for a sports cat to save any faff of refitting etc for the MOT. What spec are the sports cats?
    #15
  16. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    They will be stainless steel, 200 cell road legal and mot legal etc
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  17. A3Tom
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    A3Tom Smell my finger.

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    Very appealing then, I'll see how much my overtime comes in at on payday and might place an order.
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  18. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    Ok bud
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  19. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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  20. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    Looks good but I would amend your description as that won't fit a K04 turbo....

    <tuffty/>
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  21. Jays Audi Turbo
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    Jays Audi Turbo I Love Boost :-)

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    Ok cheers bud
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