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Author Topic: runnung with no mufflers....just headers???....video  (Read 720 times)

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Offline scooter1

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  • 1973 cb750
runnung with no mufflers....just headers???....video
« on: July 15, 2009, 03:17:03 PM »
Is it ok to run with the four headers on a cb500? Is it the same as running a straight pipe?? Is it bad for the bike

« Last Edit: July 15, 2009, 04:08:19 PM by scooter1 »
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Offline IainC

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Re: runnung with no mufflers....just headers???
« Reply #1 on: July 15, 2009, 03:23:45 PM »
Prob have to rejet your carbs as the back pressure is going to be completely different, and it can't be very good for noise and emmisions, but I can't imagine it breaking anything. But someone else has more experiance with this then I do I'm sure.
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Juice!

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Re: runnung with no mufflers....just headers???
« Reply #2 on: July 15, 2009, 04:07:37 PM »
My bike has a similar setup, the guy before me cut the pipes towards the end and welded some 3" exhaust tubing over 2 header pips on each side. Sounds UGLY.
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