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Thread: Twin V Single exhaust

  1. #1
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    Default Twin V Single exhaust

    which is better ?
    surely single outlet will reduce back pressure

    My back box hangers had come off,managed to weld on for MOT but noticed small hole in back box
    After pricing 2nd hand ones £90+
    Going to get stainless full system,but dont know weather to get single or twin
    Mine at min has twin but point to floor,so no exits on lower spoiler

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    Regular Member pogo's Avatar
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    Vehicle : Audi

    Trim : A5

    Engine : 2.0 turbo petrol

    Year : 2009

    Default

    Quote Originally Posted by jodiexii View Post
    which is better ?
    surely single outlet will reduce back pressure

    My back box hangers had come off,managed to weld on for MOT but noticed small hole in back box
    After pricing 2nd hand ones £90+
    Going to get stainless full system,but dont know weather to get single or twin
    Mine at min has twin but point to floor,so no exits on lower spoiler
    What model and engine combo have you got mate

  3. #3
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    Vehicle : BMW

    Trim : 320D

    Engine : .

    Year : 2009

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    If its cdti, no backbox! Just straight pipe with the standard tip welded on the end. Done this on countless diesels!

    mine will soon have a twin split centre section, then two straight pipes with OEM tips.. Win!

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    Quote Originally Posted by jodiexii View Post
    which is better ?
    surely single outlet will reduce back pressure

    My back box hangers had come off,managed to weld on for MOT but noticed small hole in back box
    After pricing 2nd hand ones £90+
    Going to get stainless full system,but dont know weather to get single or twin
    Mine at min has twin but point to floor,so no exits on lower spoiler
    Mines Signum 3.0cdti

  5. #5
    Regular Member pogo's Avatar
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    Vehicle : Audi

    Trim : A5

    Engine : 2.0 turbo petrol

    Year : 2009

    Default

    Quote Originally Posted by jodiexii View Post
    Mines Signum 3.0cdti
    I take it that it's an elite model as exhausts are hidden,you need to change rear insert on bottom of bumper to have tailpipes poking through,not sure if 3.0 needs boxes but I know that 1.9 s don't,just straight thru pipe with nice tailpipe

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    Regular Member looloo2's Avatar
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    this thread shows what i did to replace my exhaust, i had the same issue with the hangers snapping (the stainless system was a definite anyway) but before i must have had them retacked on 5 or 6 times
    see the below link
    http://www.vectra-c.com/forum/showth...ighlight=y30dt

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    Quote Originally Posted by looloo2 View Post
    this thread shows what i did to replace my exhaust, i had the same issue with the hangers snapping (the stainless system was a definite anyway) but before i must have had them retacked on 5 or 6 times
    see the below link
    http://www.vectra-c.com/forum/showth...ighlight=y30dt
    That sounds awesome...
    Is it 3"" all the way from Cat ?

  8. #8
    Regular Member looloo2's Avatar
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    Quote Originally Posted by jodiexii View Post
    That sounds awesome...
    Is it 3"" all the way from Cat ?
    thats 3" from the turbo mate, every box has been thrown away and a small muffler was put in
    the old system was in a sorry state anyway so just got the lot done

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