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Road Warrior
Joined: Mar 2008
Posts: 1,465
Likes: 3
From: Montclair, CA.
You will get a little more power.
The draw back is you will create more heat because the bike will be running even leaner than it is right now and develop more de-cell popping when down shifting or using the engine braking.
After the stage one upgrade you will need to do a remap of the fuel control system which will create more power lower the operating temperature, eliminate the de-cell popping, better mileage and better throttle response.
We did it on our '12 FLSTC and it does run better and cooler.
Hope this helps.
The draw back is you will create more heat because the bike will be running even leaner than it is right now and develop more de-cell popping when down shifting or using the engine braking.
After the stage one upgrade you will need to do a remap of the fuel control system which will create more power lower the operating temperature, eliminate the de-cell popping, better mileage and better throttle response.
We did it on our '12 FLSTC and it does run better and cooler.
Hope this helps.
Last edited by Ramboamt; Jun 23, 2014 at 12:59 PM.
Grand HDF Member
Joined: Jul 2012
Posts: 3,973
Likes: 912
From: Omaha
Better power? Yes
Better mileage? Yes
Cooler running? Yes
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Cruiser
Joined: Sep 2013
Posts: 127
Likes: 1
From: Texas
You will get a little more power.
The draw back is you will create more heat because the bike will be running even leaner than it is right now and develop more de-cell popping when down shifting or using the engine braking.
After the stage one upgrade you will need to do a remap of the fuel control system which will create more power lower the operating temperature, eliminate the de-cell popping, better mileage and better throttle response.
We did it on our '12 FLSTC and it does run better and cooler.
Hope this helps.
The draw back is you will create more heat because the bike will be running even leaner than it is right now and develop more de-cell popping when down shifting or using the engine braking.
After the stage one upgrade you will need to do a remap of the fuel control system which will create more power lower the operating temperature, eliminate the de-cell popping, better mileage and better throttle response.
We did it on our '12 FLSTC and it does run better and cooler.
Hope this helps.
Outstanding HDF Member
Joined: Aug 2012
Posts: 3,217
Likes: 90
From: Detroit
Tuning or a fuel controller are optional with a Stage One. The factory ECM will auto-adjust pretty well to minor changes like that.
Hosing it with more fuel than the factory settings will allow will make it run cooler, but extra fuel isn't the greatest thing for keeping cylinder and ring wear to a minimum. Back in the days when cars had carburetors, and a car with a V-8 might get 12 miles per gallon, cylinder wear was pretty extreme compared to what it is today.
Hosing it with more fuel than the factory settings will allow will make it run cooler, but extra fuel isn't the greatest thing for keeping cylinder and ring wear to a minimum. Back in the days when cars had carburetors, and a car with a V-8 might get 12 miles per gallon, cylinder wear was pretty extreme compared to what it is today.
Last edited by Warp Factor; Jun 23, 2014 at 05:09 PM.
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Cruiser
Joined: Sep 2013
Posts: 127
Likes: 1
From: Texas
You can still run the stock air cleaner cover with an Arlen Ness Big Sucker or a K&N filter. I want to put a round nostalgia cover with the bar & shield logo on it. I just love the classic look. That's why I own a Heritage
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Stellar HDF Member
Joined: Aug 2011
Posts: 3,158
Likes: 68
From: Martinsburg, WV
You'll gain like 1-2hp which won't be noticeable but depending on if you get it remapped, it may smooth out your power curve too...that also depends on what you install. It's mainly for looks and sound.
Cruiser
Joined: Jan 2014
Posts: 211
Likes: 1
From: West Sussex, England
If the vehicle manufacturers didn't have to jump through emission and sound regulation hoops then they would probably leave the factory with a stage 1. A think 1-2 bhp is a bit low, I reckon you can easily release 4-5 bhp with a good filter, pipe and remap and the bonus is you get to hear the v-twin growl