VRSC Models V-Rod, Street Rod, Night Rod and Night Rod Special

Do slipons need a new tune?

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Old Mar 30, 2014 | 09:01 PM
  #1  
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Default Do slipons need a new tune?

Hey guys,

Buddy of mine has an 04 VRSCA. He wants to get some V&H slipons to wake up the sound of the bike so it doesn't sound like a damn sewing machine. Does he need a new tune from Harley afterwards to get everything running right?

Because I know I need one once I do the air cleaner and pipes on my sportster, but neither one of us was sure with the Vrods. Thanks for the help!
 
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Old Mar 31, 2014 | 02:17 PM
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If you're just doing the exhaust and stock air filter, you don't have to retune. If your changing exhaust and air filter then yes you need to tune. Harley offered a stage 1 download to reflash the ECM for air filter exhaust combo.
 

Last edited by Hal64hd; Mar 31, 2014 at 02:21 PM.
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Old Mar 31, 2014 | 03:11 PM
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I just did the slip ons and air filter and had to install a tuner. It runs great.
 
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Old Mar 31, 2014 | 06:46 PM
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These bikes run on the lean side due to the EPA. Do you really want to risk running leaner with the slip on's? Just get a tuner.
 
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Old Mar 31, 2014 | 08:18 PM
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No they don't.
 
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Old Apr 2, 2014 | 09:21 AM
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Tuner is not necessary,but even a stock bike will run better if it's richer.
 
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