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Old Sep 11, 2012 | 12:11 PM
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Default Is this true
I have a 2012 street glide and i was told if i went with a true duals and i dont change the air cleaner that i dont have to take to harley and have it reprogrammed?
 
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Old Sep 11, 2012 | 12:13 PM
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That is true. Even if you do change the ac you don't have to take it to Harley. For less money you can get a tuner and install it yourself. Do some research for tuners.
 
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Old Sep 11, 2012 | 12:14 PM
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That would be correct....wouldnt hurt to get a set of xieds from nightrider.com....richen up the mixture a bit. well worth the $100 or so bucks.
 
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Old Sep 11, 2012 | 12:16 PM
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That is correct
 
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Old Sep 11, 2012 | 12:16 PM
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Changing the pipes or a/c alone do not require a tune or tuner be added. If both are changed then you'll need a tuner.
 
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Old Sep 11, 2012 | 12:33 PM
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so if i just change pipes no tuner is required
 
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Old Sep 11, 2012 | 11:56 PM
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"Output" - no. "Intake" - Yes.
 
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Old Sep 12, 2012 | 12:03 AM
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Any change to flow in or out of the motor affects volumetric efficiency and requires adjustment to the tune to recover optimum performance.
 
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Old Sep 12, 2012 | 05:08 AM
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Your bike is a finely tuned beast, thanks to EPA emissions regulations. If you changed the entire exhaust on a carb bike you would rejet it. If you change the entire exhaust on your lovely new EFI bike, get it retuned! Your EFI is not designed to allow you to make changes, quite the opposite - it is designed to keep your bike EPA compliant. I personally would get my modified SG retuned!
 
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Old Sep 12, 2012 | 05:48 AM
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True! I did exhaust work with no tune, bike runs great!!
 
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