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tuneing question

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Old Oct 27, 2010 | 05:23 PM
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ncdan
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Default tuneing question

I had a stage 2 with 510 s and s cams and simpson preformance slip ons, did on my 03 electric glide. If I change back to stock mufflers do I need to retune the same as I had the bike dynoed when I had the work done.
 
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Old Oct 27, 2010 | 08:06 PM
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2005FLHPI's Avatar
2005FLHPI
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From: Elkhart, IN
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If you are only changing back to stock mufflers and keeping everything else in there from the stage II, I am thinking you would need a new tune to get optimal performance. Bike is going to inhale the same air/fuel, but exhale differently, if you will. You want to make sure it doesn't bottleneck it up and cause it to run rich. It should not hurt the bike (rich is good, lean is bad......as far as safe goes), but could cause performance to suffer a tad. I would not sweat it in the mean time, if it runs good afterward, which I expect it would. Not sure how much of a restriction stockers actually are.
You definitely would not go back to stock tune.
 

Last edited by 2005FLHPI; Oct 27, 2010 at 08:12 PM.
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