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Tuner question

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Old May 19, 2023 | 07:11 PM
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Hey all, putting Vance and Hines straight shots slip ons on my 2010 Super glide custom. I know it doesn’t necessarily need a tune, but I’ve heard all bikes can benefit from a tune. I do plan on a high flow air cleaner in the future. My question is, will the FP4 be an ok tuner for this ? When I ran the app on my phone in demo mode just to see the selections, there was no options for my straight shots, and also no option to choose an air cleaner once I get one, the map it gives me is slip ons, with a high flow air cleaner, even though I have the stock air cleaner on the bike currently. Would trying to track down an FP3 be a better route to go ?
 
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Old May 19, 2023 | 07:38 PM
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I have the FP3 and love it.
There won't be an air filter selection since they assume you will already have one and they all pretty much flow the same.

As far as pipes, just select a set that is close to what you have and you'll be fine.
 
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Old May 19, 2023 | 07:40 PM
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What he ^^^ said
 
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Old May 19, 2023 | 07:55 PM
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Thanks guys, without having the high flow, will the MAP effect anything, or would it be better to use the auto tube feature ?
 
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Old May 19, 2023 | 09:08 PM
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Originally Posted by Tsmiddy21790
Thanks guys, without having the high flow, will the MAP effect anything, or would it be better to use the auto tube feature ?
I am ignorant about the FP4 tuner specifically, but I do use a PowerVision tuner on my bikes.

IMHO... I wouldn't add a stage I tune (both high flow air cleaner & high flow exhaust) on a Twin Cam engine that doesn't have both... You could end up running rich.

I have heard that the OEM air filters on the M8 engines flow well enough that changing only the exhaust requires a retune... but on a Twin Cam, generally speaking, you don't NEED to retune until you open up both the exhaust and the air cleaner...

If there is an auto tune option with your FP4 tuner, I would use that on a stock tune, with only the high flow exhaust... That should serve you well until you open up the air cleaner too...

Good luck with your decision.....
 
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Old May 19, 2023 | 09:20 PM
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Originally Posted by hattitude
I am ignorant about the FP4 tuner specifically, but I do use a PowerVision tuner on my bikes.

IMHO... I wouldn't add a stage I tune (both high flow air cleaner & high flow exhaust) on a Twin Cam engine that doesn't have both... You could end up running rich.

I have heard that the OEM air filters on the M8 engines flow well enough that changing only the exhaust requires a retune... but on a Twin Cam, generally speaking, you don't NEED to retune until you open up both the exhaust and the air cleaner...

If there is an auto tune option with your FP4 tuner, I would use that on a stock tune, with only the high flow exhaust... That should serve you well until you open up the air cleaner too...

Good luck with your decision.....
Yeah, what he said.
 
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Old May 20, 2023 | 08:29 AM
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All FP3 maps are built using a high-flow intake and the Delphi ECM will trim accordingly if you do not have one installed.

If you later install a high-flow intake just flash the same map back again and the trim will be reset (Adaptive Fuel Values).

We have FP3 on two 2014 FLHXS bikes and we recently installed Zipper's Rushmore intakes and did just that and all is well.


 
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Old May 23, 2023 | 02:13 PM
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It's my understanding that once a FP3 is married to a bike/VIN it can't be used on another bike. So finding a FP3 on the cheap, as in used, maybe a bit difficult. I opened my app and used your information, it's doable for your 2010 Dyna.
 
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Old Jun 9, 2023 | 09:00 PM
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Well I ordered the FP4 it will be here in a few days. I will say I’m a little leery because of all the negative reviews that I saw, of course after I purchased it.
 
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Old Jun 9, 2023 | 09:08 PM
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Default It will be fine

Originally Posted by Tsmiddy21790
Well I ordered the FP4 it will be here in a few days. I will say I’m a little leery because of all the negative reviews that I saw, of course after I purchased it.
You’re going to like it. Tune it and ride it like you stole it!
 
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