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  1. #1
    VXRed blooded
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    Default Txautosport 3 inch sport cat with 3 inch piper cat back ?

    Hi all just wondering if anyone runs the above set up

    And if they fit together ok if not I have seen in another post that tx sport cat and 3 inch cobra cat back fit perfect together because they both taper and fit together perfect

    the step down just after the sport cat on tx downpipe is it that detrimental to performance ?

    I could also enquire about an exhaust place modifying the tx sport cat to do away with the tapered bit and make it a true 3 inch to mate up with the piper cat back

    If people think this is viable I may even be the guinea pig and try the tx/piper 3 inch combo

    Not being cheap I just find the price of the piper sport cat shocking considering it's been known to fail mot's within the 1st year of purchase

    It's just I have heard good things about the tx sport cat come mot time it being bulletproof every time

    And the cost saving is insane with piper sport cat vs tx sport cat

    Hopefully someone runs this setup and can share some insight
    Last edited by Andyb712; 6th August 2018 at 01:15 AM.
    2009 Astra H Vxr arden blue standard for now but with mtc top hat and crossover delete and ramair filter

    Planning to go stage 3/3.5 eventually

  2. #2
    VXRed blooded
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    No replies then lol

    I know exhaust threads are a pain in the bum

    But could really use some insight
    2009 Astra H Vxr arden blue standard for now but with mtc top hat and crossover delete and ramair filter

    Planning to go stage 3/3.5 eventually

  3. #3
    VXR Adam"san" w20adm's Avatar
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    If it tapers down to 2.5 a 3 inch wouldn't fit surely.
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  4. #4
    VXRed blooded
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    Quote Originally Posted by w20adm View Post
    If it tapers down to 2.5 a 3 inch wouldn't fit surely.
    Well that the point of getting it modded

    Seen quite a few posts on here about trying it but unfortunately no one ever seemed to confirm they had tried it
    2009 Astra H Vxr arden blue standard for now but with mtc top hat and crossover delete and ramair filter

    Planning to go stage 3/3.5 eventually

  5. #5
    VXRed blooded
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    Even seen in one of the threads a guy claims the txautosport downpipe mates perfectly to a cobra sport cat back 3"

    He even posted a pic but just not 100% sure it's cobra cat back in his pic
    2009 Astra H Vxr arden blue standard for now but with mtc top hat and crossover delete and ramair filter

    Planning to go stage 3/3.5 eventually

  6. #6
    VXR Adam"san" w20adm's Avatar
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    Just be careful of the source of this stuff.
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  7. #7
    VXRed blooded
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    Quote Originally Posted by w20adm View Post
    Just be careful of the source of this stuff.
    Exactly my point mate i'd rather hear it from a trusted and respected member such as yourself

    Here is the thread im talking about see the 3rd post down for the pic

    http://www.vxronline.co.uk/forum/sho...and-sports-cat.

    Im guessing what he is saying is if you buy a 3 inch cobra only from the cat back it comes with the taper bit just like the tx autosport downpipe so they can both be bolted to the remaining part of the oem system but in his case they mated to each other perfectly ?
    2009 Astra H Vxr arden blue standard for now but with mtc top hat and crossover delete and ramair filter

    Planning to go stage 3/3.5 eventually

  8. #8
    VXRed blooded
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    If the above is the case im considering getting them both and then just clamping or having this item welded in place of both tapers

    https://www.ebay.co.uk/itm/Universal...-/352187774654
    2009 Astra H Vxr arden blue standard for now but with mtc top hat and crossover delete and ramair filter

    Planning to go stage 3/3.5 eventually

  9. #9
    VXR Adam"san" w20adm's Avatar
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    Should work then mate.
    W20 ADM's led Lighting shop, see link below for details
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  10. #10
    VXRed blooded
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    Quote Originally Posted by w20adm View Post
    Should work then mate.
    I dunno fella think im just going to ring cobra and tx tomorrow and find out

    Actually prefer the sound of the piper so may ring them too lol
    2009 Astra H Vxr arden blue standard for now but with mtc top hat and crossover delete and ramair filter

    Planning to go stage 3/3.5 eventually

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