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Author Topic: Outside Diameter of Stock Headers  (Read 20886 times)

2fast2young

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Outside Diameter of Stock Headers
« on: December 12, 2014, 05:43:53 pm »
Hey guys, talking to a buddy about fabbing me up a custom Y-pipe for the VT, he thinks he has something lying around the shop that will work, does anyone know what the O.D. is for the stockers?

Thanks In Advance,

Elliot
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J6G1Z

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Re: Outside Diameter of Stock Headers
« Reply #1 on: December 15, 2014, 09:57:28 am »
Elliot,

I was not able to measure the O.D. where the muffler tubing mounts. I measured just to the side of that & came up with 1.5".

I think if you have a coupling that can close down to a bit past 1.5" you will be fine.

Here is what a P/O built for my VT Ascot.

Good luck
J.
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J6G1Z

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Re: Outside Diameter of Stock Headers
« Reply #2 on: December 15, 2014, 09:58:46 am »
Don't forget that MAC offers a complete dual exhaust system for a reasonable price.

J.
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Woodguy

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Re: Outside Diameter of Stock Headers
« Reply #3 on: December 17, 2014, 05:32:38 am »
Hello,

The headers are 39mm outside Diameter , but where they go into the Exhaust manifold underneath the bike they are 44mm ( outside diameter of the gaskets ) I am working on fabbing my own exhaust at the moment as well. I picked up a Y - piece a week ago.. and need to have the ends that connect to the two headers widend to that size.

Post some pics of your progress...

cheers
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