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Thread: X Power back boxes

  1. #11
    ...no ... I am ... really spartacus's Avatar
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    You can have mine for £350 a side
    Mark Willcox - Unsnared, like the wind in a net. Unsmeared, like a lotus in water. Leader of others, by others unled: The enlightened call him a sage

  2. #12
    Registered User dobbo's Avatar
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    Just get a local custom exhaust builder to do it, mine were £320 the pair, he could have done single ovals either side but I chose quads.



    As long as the end pipe looks the same as x-powers I can't see any advantage of the x-powers over custom made ones.
    Ben Dobson
    X Power Grey 260 SE, #40

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  3. #13
    mad scientist black olive's Avatar
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    Tim has started a thred on Zero X poer look a likes- should be better quality and a refined engine note
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  4. #14
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    Quote Originally Posted by T16 View Post
    It was Janspeed.

    Just been on the phone to them.

    They told me there was never a jig made up, and that dealers used to drive the cars in and get the backboxes custom fitted each time.

    What you were told is blatantly untrue! They were sold through dealers all bubble wrapped up with MG part no's, but were sold out long ago.

    I have tried contacting Janspeed before now about producing a run of them, but got no response.

    If anyone else fancies having a go though....

  5. #15
    Registered User Manxmann's Avatar
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    Now that I'm the proud owner of a pair, no gloating obviously, I've had a chance to have a good look, gyno style mirror up the tubes style

    Obviously without pulling them apart its hard to say but they don't look the most complicated beast, rather a lot of emptyness in truth. Surely any decent fabricator could do a straight 'copy'?

    Isn't it when people start with 'I'd like Xpower noise but with Zero quality + twins + x + y' that it gets complicated?

    Or am I missing something?
    MG ZT 260 #107 Trophy Blue, previously owned #42 XPG.

  6. #16
    Registered User pessling's Avatar
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    I've also looked inside and other than the last 7inches its a straight through pipe, and with the added 7inch pipe they are effectively straight through, don't know if there is any material inside the hollow of the exhaust but the x powers are very light, in comparison to the zero's
    Peter Essling


  7. #17
    mad scientist black olive's Avatar
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    spoke to Kevin at zero yesterday. The hooligan in me wants to remove the perforated resonance reducing mod from the zeros, but was discouraged. He said I would gain little noise benefit but get the nasty resonance so Im not going to bother. He mentioned the x power style boxes he is going to have a go at, and his plans are to build a perforated tube inside to tune out resonance. A very nice chap to speak to, and his products are top quality
    Last edited by black olive; 12-02-2010 at 10:51 PM.
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  8. #18
    #242 V8 on tour colintf's Avatar
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    Quote Originally Posted by V8 Martin View Post
    What you were told is blatantly untrue! They were sold through dealers all bubble wrapped up with MG part no's, but were sold out long ago.

    I have tried contacting Janspeed before now about producing a run of them, but got no response.

    If anyone else fancies having a go though....
    SMC certainly didn't drive my car to Janspeed for the XPowers that are fitted to mine!

    colintf
    Colin Murrell
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  9. #19
    #74 Roadsterstu's Avatar
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    Quote Originally Posted by black olive View Post
    spoke to Kevin at zero yesterday. The hooligan in me wants to remove the perforated resonance reducing mod from the zeros, but was discouraged. He said I would gain little noise benefit but get the nasty resonance so Im not going to bother. He mentioned the x power style boxes he is going to have a go at, and his plans are to build a perforated tube inside to tune out resonance. A very nice chap to speak to, and his products are top quality
    Be interesting to see how this pans out. The quality of the Zeros certainly appeals and as much as I like the look of quads, I really like the twin ovals.
    Stuart Clough
    #74 in Copperleaf Red, ex-#314 in Starlight Silver

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  10. #20
    Administrator Tim's Avatar
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    I'm hoping to have a test set on for Brooklands so you can see and hear them. In the end I'll have the zero quads and the ovals then will swap depending on how I feel.

    Quote Originally Posted by stuart260 View Post
    Be interesting to see how this pans out. The quality of the Zeros certainly appeals and as much as I like the look of quads, I really like the twin ovals.
    Tim Hayton

    Some men see things as they are and say why - I dream things that never were and say why not.

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