23 Lowrider ST Tuning
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Stage I
Joined: Aug 2023
Posts: 1
Likes: 0
From: California
23 Lowrider ST Tuning
New to this might be posting this somewhere stupid so bear with me.
I recently put a new SPC exhaust on my ‘23 FXLRST I plan on doing some motor work down the road (stage II,III, etc..) but at the moment am just looking for a good stage 1 tune.
The FP4 seems simple enough, I’m not sure about finding a map with my exhaust but feel as though it’s smart to stay within warranty.
DynoJet seems like the way to go for performance and follow on upgrades but I’m very inexperienced in the way of tuning.
Would it be smarter to just find a shop in my area and have it tuned by them? And would doing that void the factory warranty as well?
I recently put a new SPC exhaust on my ‘23 FXLRST I plan on doing some motor work down the road (stage II,III, etc..) but at the moment am just looking for a good stage 1 tune.
The FP4 seems simple enough, I’m not sure about finding a map with my exhaust but feel as though it’s smart to stay within warranty.
DynoJet seems like the way to go for performance and follow on upgrades but I’m very inexperienced in the way of tuning.
Would it be smarter to just find a shop in my area and have it tuned by them? And would doing that void the factory warranty as well?
Road Master
Joined: Jun 2013
Posts: 1,058
Likes: 953
From: Sarasota Florida
I would give Fuel Moto a call and speak with their techs. Great company with tons of experience and a customer comes first philosophy.
https://www.fuelmotousa.com/
https://www.fuelmotousa.com/
Stellar HDF Member
Joined: Feb 2012
Posts: 3,293
Likes: 3,518
From: PA
It looks like you are in CA. Is your new Exhaust CA compliant and EPA compliant? If not you voided the warranty. All after market tuners will void your warranty. I do not even think they will ship them to CA
People with more knowledge then I have will be along
People with more knowledge then I have will be along
Cruiser
Joined: Aug 2017
Posts: 214
Likes: 33
From: Colorado
I'm only doing a Stage 1 on my FXLRST. I've already purchased the V&H FP4 and did a "stock" tune. It runs way better than stock. I've heard the FP4 doesn't have alot different exhausts to choose from but I'm sure there alot of similarities between different pipe manufacturers. If I was going to do what you plan on doing and don't have experience with tuners, I'd take it to a reputable shop and let them know of your intent.
Seasoned HDF Member
Joined: Sep 2008
Posts: 14,156
Likes: 11,244
From: San Diego, CA
There are two considerations in CA...
The first are the EPA requirements. Harley, as a vehicle manufacturer, is required by law to build bikes that conform to EPA emissions standards. Because of their consent decree with the EPA, after being sued by the EPA, the MoCo has been rather hard core about warranty compliance with EPA standards.
Any exhaust that is not EPA compliant, could void your powertrain warranty.
All tuners used on warranty vehicles must be EPA compliant to maintain your powertrain warranty. I haven't checked recently, but the HD tuner was the only EPA approved tuner for a Harley immediately after the consent decree.
The State of California also has the California Air Resources Board (CARB), which adds a second layer of emissions restrictions to vehicles. Any vehicle sold and operated in CA is required to also be compliant with CARB emissions restrictions, as well as all EPA emissions restrictions. That is why all Harleys sold new in CA have a "$200 California Emissions" charge and a CARB compliant decal on the frame's front down tube.
While CARB requirements don't really affect your warranty, it will affect what aftermarket parts you will be able to buy and have shipped to CA. CARB has been aggressive about suing shops that perform work in CA that is in violation of CARB restrictions. They also had several cases where they sued shops that ship non CARB compliant parts to CA. Because of that, most vendors and manufacturers will not ship non CARB compliant parts to CA, to avoid the hassle of defending against a CARB lawsuit.
I hope that information helps..
Last edited by hattitude; Aug 28, 2023 at 09:01 AM.
Seasoned HDF Member
Joined: Dec 2012
Posts: 6,673
Likes: 502
From: Orange County
I just ordered mine.
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