recalibration for new mufflers? - Harley Davidson Forums

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recalibration for new mufflers?

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Old 01-10-2012, 05:36 PM
kabuelich kabuelich is offline
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Location: oklahoma
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Default recalibration for new mufflers?

I have a 2000 Ultra with fuel injection. If I install aftermarket mufflers to make the exhaust sound better ( I assume they have less baffles, back pressure?) does the engine need retuned or recalibrated to run properly?
Is it possible to core-out the stock mufflers?
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Old 01-10-2012, 06:38 PM
seph10 seph10 is offline
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Location: Peach Bottom Pa.
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from what I have found out from lots of research,,,if you change out the mufflers and don't go bigger that 2" baffle,,you don't need to do anything,,,BUT! if you add a high flow air filter,,or larger baffle you will need to do some kind of fuel managment,,,
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Old 01-11-2012, 01:19 PM
95custmz 95custmz is offline
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Join Date: Apr 2009
Location: Indiana
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Ditto. What seph10 said.
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exhaust, harley, intake, recalibration

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