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Exhaust System Topics New and old exhaust system discussions. Fitment issues to sound bites and suggestions. Post them here.
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Old 01-10-2012, 04:36 PM
kabuelich kabuelich is offline
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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, 05:38 PM
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seph10 seph10 is offline
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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, 12:19 PM
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95custmz 95custmz is offline
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Ditto. What seph10 said.
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Old 01-11-2012, 12:19 PM
 
 
 
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exhaust, harley, intake, recalibration


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