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 Post subject: Header Pipes
PostPosted: 23 May 2009 20:47 
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Joined: 18 May 2009 15:12
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Hey everyone!
Just a quickie ... Can any one tell me if the header pipes on an XB9 are the same diameter as an XB12. I understand that European models have recently changed but are the two models different.


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 Post subject: Re: Header Pipes
PostPosted: 23 May 2009 22:10 
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Joined: 18 May 2009 15:12
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... and if they are as I believe smaller is there any advantage putting the larger bore pipes on my 9


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 Post subject: Re: Header Pipes
PostPosted: 24 May 2009 21:03 
No, the 9 pipes have a narrow diameter to the 12 ( IIRC 42mm on the 9 and 45 mm on the 12 - but not sure ).

I don't think that there is any advantage to using 12 headers on a 9 unless the engine has had extensive modifications - but then again that is only my opinion.


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 Post subject: Re: Header Pipes
PostPosted: 25 May 2009 09:22 
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Joined: 06 May 2009 19:54
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Location: Historic Basingstoke
IIRC there was a test posted on the old forum that showed the key to an XB9 was a well-designed end can


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 Post subject: Re: Header Pipes
PostPosted: 27 May 2009 13:35 
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Joined: 18 May 2009 15:12
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Thanks everyone!


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