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gusm2
 Post subject: Re: Xb 9 exhaust
PostPosted: 03 May 2012 18:44 
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Not wanting to jump on the band wagon but......I had a VFR 750 with a gibson race pipe made of sheet....cracking zorst beautifully made :yup:

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WILLYBUELL
 Post subject: Re: Xb 9 exhaust
PostPosted: 03 May 2012 19:33 
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Think Pink
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Current ride: Awesome Ulysses & X1
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barney wrote:
ran a gibson pipe with some 36mm mikuni smoth bores back in the old days of racing, very nice pipe headers appeared to be fabricated from sheet rather than pipe

sheet then hydroformed :yup:

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pash
 Post subject: Re: Xb 9 exhaust
PostPosted: 03 May 2012 19:43 
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proff. patpending
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Joined: 06 May 2009 20:20
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Current ride: Victoria Sponge
Location: Bristol - Gateway to all things good
Any relation to Debbie?

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barney
 Post subject: Re: Xb 9 exhaust
PostPosted: 03 May 2012 19:50 
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WILLYBUELL wrote:
sheet then hydroformed :yup:

just youtubed hydroforming , they must use a far bit of pressure and got to get the maths right for the developed lengths ect

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Adam
 Post subject: Re: Xb 9 exhaust
PostPosted: 03 May 2012 22:30 
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I think Micron used hydroforming for those 'cobra head' downpipes they used to sell :?

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mar5hy
 Post subject: Re: Xb 9 exhaust
PostPosted: 04 May 2012 09:55 
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Joined: 27 Apr 2012 14:19
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Current ride: buell xb9
Location: lancaster
Also you have to tap the welds constantly to allow it to expand in the smaller diameter areas...
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mar5hy
 Post subject: Re: Xb 9 exhaust
PostPosted: 04 May 2012 20:51 
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Joined: 27 Apr 2012 14:19
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Current ride: buell xb9
Location: lancaster
Hey Albert..
Is that pipe stainless?
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albert666
 Post subject: Re: Xb 9 exhaust
PostPosted: 04 May 2012 21:12 
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Current ride: EBR 1190RX
Location: banbury uk
yeah it is
i made the intake too
Image
don't do a lot of two stroke stuff

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