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Old Aug 28, 2013 | 04:06 PM
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I have a 2012 Fatboy 103. I would like to change the muffler for the Vance Hines Twin Slash slip on. Do I need to change the mapping?

Thanks
 
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Old Aug 28, 2013 | 04:12 PM
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As long as your still running the stock air cleaner, probably not.
 
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Old Aug 28, 2013 | 04:15 PM
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Yes
Stock air filter.
 
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Old Aug 28, 2013 | 06:41 PM
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Stock air filter > no change
Any other air filter > yes
 
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Old Aug 29, 2013 | 07:53 AM
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Thanks guys for the great info.
 
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Old Aug 29, 2013 | 08:01 AM
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Right .. I swapped out my pipes to V&H bigradius stock air cleaner no mapping change

after i swapped out my AC a year later then i needed to map
 
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Old Aug 29, 2013 | 08:44 AM
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Just so you know, I ran mine stock a/c with the V&H slip ons and they popped pretty bad. I ended up with a PC V and SE a/c. It runs much cooler and no popping. I do enjoy the pipes though.
 
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Old Aug 29, 2013 | 01:56 PM
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Originally Posted by shopewell
Just so you know, I ran mine stock a/c with the V&H slip ons and they popped pretty bad. I ended up with a PC V and SE a/c. It runs much cooler and no popping. I do enjoy the pipes though.
Was all that popping on deceleration because that's exactly what mine's doing ?? I don't want to sound too stupid but what's PC V and SE a/c ??
Thanks
 
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Old Aug 29, 2013 | 05:39 PM
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PCV= Power Commander 5
SE a/c= Screamin Eagle air cleaner
 
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Old Aug 30, 2013 | 07:42 AM
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Originally Posted by imboden
PCV= Power Commander 5
SE a/c= Screamin Eagle air cleaner
Thanks friend, I'll definitely look into this fix....!!!
 
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