exhaust pipe diameter - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 6 (permalink) Old 09-17-2011, 07:18 AM Thread Starter
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exhaust pipe diameter

i am wanting to degoat and remove the mufflers and run straight pipes to the back this weekend

My question before i start tearing anything apart is what size diameter pipe do i need to look for local before getting to a point of no return and having no ride to work...

i read in another thread the left and right side are different, is that the entire pipe or only near the head itself?
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post #2 of 6 (permalink) Old 09-17-2011, 07:38 AM
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Originally Posted by La Douche View Post
i am wanting to degoat and remove the mufflers and run straight pipes to the back this weekend

My question before i start tearing anything apart is what size diameter pipe do i need to look for local before getting to a point of no return and having no ride to work...

i read in another thread the left and right side are different, is that the entire pipe or only near the head itself?
1 5/8" I.D. They're not different diameter, IIRC, but one has a slight bend in it, which is corrected in the goat's belly, and in the Scootworks bypass kit.

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post #3 of 6 (permalink) Old 09-17-2011, 07:41 AM Thread Starter
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thanks for the help
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post #4 of 6 (permalink) Old 09-17-2011, 04:57 PM
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I always thought that the right side longer pipe was just a bit bigger around.

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post #5 of 6 (permalink) Old 09-20-2011, 07:13 PM
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The right pipe has what I recall was a thicker wall but where the goat belly bolts they are both the same size. I used 1 3/4" pipe for my conversion and only had to flare the ends ever so slightly.

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post #6 of 6 (permalink) Old 09-22-2011, 01:23 AM
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The right side pipe is bigger, but both collectors are the same size at the goats belly. There is a bend in the right pipe, and a short piece of flex pipe will cure that so that you can set the pipes at the right height to make them even.
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