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Very Good Fuel Economy?

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Old Feb 22, 2023 | 03:27 PM
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Default Very Good Fuel Economy?

Last year I added Vance & Hines Fuelpak FP3 and Zipper's Rushmore intake to my 2014 FLHXS. It is otherwise stock except for a set of HD Screamin' Eagle Street Cannon pipes. The headpipes are bone-stock and the CAT is still there (and will stay there based upon data from Dyno Man Bryan at V&H).

I have been keeping an eye on fuel economy and the bike consistently gets 47+ MPG mixed riding. I don't beat the bike when I ride (what's the point) but I don't ride it like a baby either. It gets its fair share of fast hard starts and aggressive corner exits. It also sees some two-up riding with my wife on the back.

I have never checked my wife's 2013 FLS but it seems to use a lot more gas than my bike yet it is quite a bit lighter. Hers makes less TQ at the bottom but makes a lot of power mid-to-top so it may have non-stock cams in it. It also has S&S intake, V&H FP3, and V&H pipes.

Are you guys seeing numbers this high? Cycle World only saw high 30s when they did their testing: https://www.cycleworld.com/2013/09/0...specifications
 
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Old Feb 22, 2023 | 03:36 PM
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So far, I'm seeing high 30's but that only the first 2 tanks of fuel and during the break in period. I'm guessing it will go up after break in is complete and the 1000 mile service is done.
 
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Old Feb 22, 2023 | 03:37 PM
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I see numbers close to that range with my 21 ultra. 42-43 is where I'm usually at. but am 2 up and low speeds a significant portion of the time.
 
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Old Feb 22, 2023 | 08:24 PM
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My 2020 114 stock gets up to 50 MPG. Always in the mid 40s even on Freeway.
 
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Old Feb 22, 2023 | 08:39 PM
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Default Mpg

I too have a 2014 FLHXS, FP3, Screaming Eagle air cleaner, V&H twin slash mufflers. I did remove the cat. I’ve gotten as high as 51mpg babying it to see how good I could get , that was on a two lane running 60 mph. I usually get 40-45 in mixed riding and 35-38 two up. Don’t usually run the bike hard , unless I’m riding with my son. He had a 2016 SGS.
 
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Old Feb 23, 2023 | 01:55 AM
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2017 FLHXS, FP3, Squealing Beagle Ventilator air cleaner, TBR mufflers. 52mpg average
 
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Old Feb 23, 2023 | 06:35 AM
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Thanks to all who commented. Looks like Cycle World data does not represent actual data very well. Also looks like M8s are better yet.
 
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