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Has the GT also fake exhaust sound?

Fruitstang

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UPDATE:

In the meantime it has been officially mentioned in press texts by Ford that they use a system called "Electronic Sound Enhancement" (ESE) similar to the Ecoboost models also for the GT versions.

This is confirmed for the cars with the B&O system, other ones I'm not sure about.

The sounds are kind of subtle until you first really identified them and artificial, so not actual sound picked up by mics from the engine bay or near the exhaust tips (also, there are no microphones in these areas).
They interfere especially with the subwoofer signal at low RPM. Then the frequencies of the generated sound are accordingly low and played through the subwoofer to mimic a deeper rumble.

This leads to weak and imprecise punchless subwofer performance and, if the sub is upgraded with a separate amp, it can lead to louder drones or buzz tones.

Confimred by a couple of users with car stereo upgrades on this forum as well.

I measured a dominant 46 Hz tone once I started the engine with ESE on, and with it turned off, that tone was gone.

Good demonstrations of how it works can be watched here (to really get it, headphones are recommended):


1) A tuning company found by accident a developer mode to play the "enhancement" sounds without the engine running:





2) Some other guy took some comparison videos with ESE on/off driving a Raptor:





The good news is: This system can be turned off with Forscan:

In module ACM you have to change whatever character you have in the third column of the following line to zero:

727-01-01 xxxx xxxx 0x--

Checkout the Forscan sub to learn more about it.

If you do not know if the system is turned on or off on your car and want to check it without having to use Forscan, you can visit:

https://www.motorcraftservice.com/AsBuilt

and enter your VIN.

Once the website has finished loading, it will show a very long table with lots of setup parameters of your individual car. No need to download any files if you are not planning on using Forscan.

Search for the above mentioned line 727-01-01 and check whether the third column starts with a 1 or a 0. 1 means ESE is on, 0 means it is turned off.


Ps: This thread was hijacked by some brainless NPC who does everything he can to question the existence of ESE and throws in the same stupid questions and claims all other must be wrong over and over again, so more or less all pages following my first post on how ESE works (page 3) are repetitive explanations to those who came late to this thread without reading previous pages but were actually interested without fighting evidence.
But wherever possible, Mr. "I was ran over by a train, but miraculously the 5 braincells necessary to post weird troll one liners survived" really destroyed the conversation.
However, the main question has been answered above together with the description of how to turn off any artificial "sound enhancement".



--------------------------------------
Original post with answers:

I wonder if the GT also has the same fake engine/exhaust sound playing through the speakers?

1) Does it? -> Yes
2) Which speakers are used when having the B&O with subwoofer? -> Frequency dependent, sub for lows, others for increasing frequencies
3) Can it be disabled and if, how? Especially on convertible -> With Forscan, explanation above, valid also for Fastback

Would be really shocked if Ford had put it in a V8.
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Q6543

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No, but it has active noise cancellation which produces frequencies to quiet the sounds you do hear.
You can unplug in the back headliner.
 

Pmamba

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No, but it has active noise cancellation which produces frequencies to quiet the sounds you do hear.
You can unplug in the back headliner.
Do you know if the convertibles have this/where it can be unplugged?
 

Crew4991

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I wonder if the GT also has the same fake engine/exhaust sound playing through the speakers?

1) Does it?
2) Which speakers are used when having the B&O with subwoofer?
3) Can it be disabled and if, how? Especially on convertible

Would be really shocked if Ford had put it in a V8.
lol... the have been doing it since 2015.
Just remove the noisemaker that connects to the firewall and cap it off.
 


JAM486HP

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No, but it has active noise cancellation which produces frequencies to quiet the sounds you do hear.
You can unplug in the back headliner.
So that ANC runs even with the audio off?... Seems this would also interfere with the audio clarity of music if that thing is literally putting noise in the speakers. Maybe removing it will make the B&O sound a little better.
 
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Fruitstang

Fruitstang

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The sound tube is a non electronic tube simply reaching from the inside of the car to the engine bay.
Nothing fake about it.

My question refers to sound electronically played through the hifi speakers.
Some cars have dedicated fake sound speakers which at least don't disturb the stereo system.
 
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Radiant

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The sound tube is a non electronic tube simply reaching from the inside of the car to the engine bay.
Nothing fake about it.

My question refers to sound electronically played through the hihi speakers.
Some cars have dedicated fake sound speakers which at least don't disturb the stereo system.
The Mustang convertible has microphones on either side of the rear near the small windows, and one near the map light up front. They're tied to the active noise cancelling system.

Your car doesn't play vroom-vroom noises through the speakers.
 

JimC

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Seriously?! That is great news. I thought this was the 24 sound tube:

1722370868584-q8.png


For those that don't know, this is the sound tube from 15-23:

1722370968193-gb.png
That tube you marked is for the PVC as I recall - have to look under the hood of my car now but I think that is connected to my catch can.
 

jimbo67

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The Mustang convertible has microphones on either side of the rear near the small windows, and one near the map light up front. They're tied to the active noise cancelling system.

Your car doesn't play vroom-vroom noises through the speakers.
My 2107 focus st had a sound supposer I shut that down. I don't believe we have them on our cars?
 

chris861

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I test drove a 24 yesterday and was surprised yet skeptical of the interior engine noise. I did a lot of research to find out the same question OP had. Looking at the spec sheets, both Ecoboost and GT are equipped with "electronic sound enhancement" which does appear to be engine sounds played through the speakers. Only saw this mentioned in a audio upgrade thread where someone had to disable it with forscan in a GT to resolve issues with their sound system upgrade. Any thoughts? Had anyone tried disabling this to see what difference it makes?
S650 Mustang Has the GT also fake exhaust sound? Screenshot_20241020-085951_Adobe Acrobat
 

LoWeLL216

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When I did my audio upgrades my audio tech said the 2024 GT did not have the electronic sounds coming through the speakers. At least the base model. No idea if it's any different in the B&O.
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