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Thread: Secondary decat

  1. #1
    VXRed
    Join Date
    23rd January 2017
    Posts
    40

    Default Secondary decat

    Anyone know if the exhaust is loud with just a secondary decat leaving the first cat in? Can't find any videos online


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  2. #2
    VXR enough
    Join Date
    25th January 2010
    Posts
    1,080

    Default

    Can't see it making MOT pass

  3. #3
    VXRed
    Join Date
    22nd January 2017
    Posts
    149

    Default

    Quote Originally Posted by Brother Leo View Post
    Can't see it making MOT pass
    will pass emissions just might fail on visual inspection because of a missing cat but not very likely


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  4. #4
    VXRed blooded
    Join Date
    10th January 2015
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    408

    Default

    Mine passed mot with second decat and with centre box cut out and a straight pipe welded in .
    Last edited by vxrjono; 20th April 2017 at 09:32 PM.

  5. #5
    VXRed
    Join Date
    18th April 2016
    Posts
    142

    Default My nortech double decat

    Had this on about a month and love it


  6. #6
    VXRed
    Join Date
    22nd January 2017
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    149

    Default

    Quote Originally Posted by vxrjono View Post
    Mine passed mot with second decat and with centre box cut out and a straight pipe welded in .
    how loud is it this is what im looking at doing, do you get pops and bangs?


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  7. #7
    VXRed blooded Korkyy__'s Avatar
    Join Date
    27th January 2016
    Posts
    281

    Default

    I have the secondary decat and middle resonator removed and it is louder, burbles much more but no pops unfortunately only when hitting the limiter. The J wont pop and bang like the H Astras do sadly
    Astra J VXR - Summit White

  8. #8
    VXRed
    Join Date
    22nd January 2017
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    149

    Default

    Quote Originally Posted by Korkyy__ View Post
    I have the secondary decat and middle resonator removed and it is louder, burbles much more but no pops unfortunately only when hitting the limiter. The J wont pop and bang like the H Astras do sadly
    that sucks always get jelouse every time i hear the h


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  9. #9
    VXRed blooded
    Join Date
    10th January 2015
    Posts
    408

    Default

    Yes the j will not pop and bang unless you are bouncing it of the limiter, coming back from pvs last year I had a play with a H and it sounded like gun fire .

  10. #10
    VXR enough
    Join Date
    25th January 2010
    Posts
    1,080

    Default

    Want to my h -- pops and bangs all the time. lol

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