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I have a 1986 js 300 stand up, its missing the muffler/baffle in between the manifold and water box. Right now its just straight piped should i put the baffle back in for more power?
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Re: js 300 exhaust question
Yes if its good use it will help with back pressure.SBT Tech Support is here to help with your problems.
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Re: js 300 exhaust question
Thanks for the help I'll put one back on it.Comment
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