How much difference does a stage 1 kit make on a 2015 Ultra?
Road Warrior
Joined: Aug 2014
Posts: 1,937
Likes: 320
From: Vancouver, WA
Now what I have read in some posts about changing mufflers and having to add a tuner makes sense, after reading that your DYNO man said the stock air filter is adequate for Stage 1. I had always gone on the rule that you could add mufflers with a tune, but once you did the air filter change to a high flow, you HAD to get a tuner. But id the stock air filter is already a high flow filter, and then you add high flow mufflers, the I can see where you had better add a tuner.
Thanks for that comment. It cleared up a lot of misconceptions for me.
Thanks for that comment. It cleared up a lot of misconceptions for me.
Road Master
Joined: Apr 2014
Posts: 1,053
Likes: 982
From: Kansas
A stage one to me also includes getting rid of the catalytic converter. We use to run Dresser Duals and never realized just how loud the bike was until we went to the Power Duals on our current bikes. Don't have the radio maxed out any more, more like half way. Have you gone on a long trip with a loud bike?
If you want some good advise give Fuel Moto a call, they can tell you what the best set up will be for the performance you want.
Good Luck
If you want some good advise give Fuel Moto a call, they can tell you what the best set up will be for the performance you want.
Good Luck
It was cut in half, the cat removed, then welded back together. Other than that it's stock. (Unless I remember something else I did to it. Gettin' old and forgetful stinks.).
Road Captain
Joined: Apr 2012
Posts: 727
Likes: 31
From: Fenton, MO
2015 Ultra here. Bone stock except for CVO mufflers. Installed the FP3 and did the same as Oko did. Very satisfied. Seems to have a bit more "snort." MPG stayed the same. I get 40+ on a regular basis. None of the differences between stock and with the FP3 are dramatic individually, but all together they make the bike run the way it should run. Cooler and more responsive. Haven't found a downside to it so far. FWIW, the guy who runs the dyno and does the tuning at my local dealer said that the stock air cleaner is more than adequate for a stage 1. He said, "Save your money and buy something else." I figure he'd know what he was talking about. 
Money matters to some of us. All the money we paid for our Harley (mine was 4 years old when I bought it). Compromised, not a new bike, not a CVO, just a used stock Limited.
Installed a K&N air filter into the stock air box. Compromised.
Purchased a gutted header pipe for $100 delivered. Compromised.
Purchased new take off CVO Mufflers $198 delivered. Compromised.
Installed and auto-tuned a FP3 for somewhat less than MSRP. Compromised.
Bike runs great, no complaints.
On my past bikes I did all the cams, TTS, Dynos, headers, slipons and spent a ton of money, bikes ran great then too.
Installed a K&N air filter into the stock air box. Compromised.
Purchased a gutted header pipe for $100 delivered. Compromised.
Purchased new take off CVO Mufflers $198 delivered. Compromised.
Installed and auto-tuned a FP3 for somewhat less than MSRP. Compromised.
Bike runs great, no complaints.
On my past bikes I did all the cams, TTS, Dynos, headers, slipons and spent a ton of money, bikes ran great then too.
Ultimate HDF Member
Joined: Mar 2012
Posts: 6,129
Likes: 143
From: Santa Cruz
If I had a 14+ 103, it would get a proper 2-1-2 header and Dyno tune. Easy 105 tq/85hp plus. Replacing the stock a/c and mufflers will net little gain without going into the engine.
Last edited by 0ldhippie; Jun 25, 2018 at 05:02 PM.
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