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Aftermarket exhaust for XS400 Special


johnsnownw
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What would be the biggest issue with adding a new exhaust, probably just mufflers, to the bike? I've been looking at some of the mufflers on MikesXS, and was wondering how much work would be involved.

Thanks again.

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If the new ones are less restrictive you might have to re-jet. That's about the worst. I don't know if the 650's had the same diameter headers, but even if they're different mikes sells the adapters.

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If the new ones are less restrictive you might have to re-jet. That's about the worst. I don't know if the 650's had the same diameter headers, but even if they're different mikes sells the adapters.

I suppose, then, the question becomes how do you know that you'll need to re-jet, and then what re-jetting you need? What are the symptoms, so-to-speak, of a need to re-jet?

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  • 3 weeks later...
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I found a pretty good deal on some 2/2 Mac mufflers. Does anyone know if these would require a re-jet?

http://www.cyclewareables.com/pages/exhausts_mac_mufflers/exhaust_mac_mufflers.htm

really you should ask the vendor, then, if it requires jetting the onus is back on them.

i would say they don't need rejetting

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really you should ask the vendor, then, if it requires jetting the onus is back on them.

i would say they don't need rejetting

Thanks Drewps.

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