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ThirtyHz

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First Name
Michael
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Elgin, IL
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2022 Civic Si, 2016 Ford Focus
Good day everyone. I haven’t seen a thread yet for a little guide on “deleting” the Active Sound Control on these new Si’s. So I figured I’d share some pictures and my experience.

To begin, I pulled out the glove box, popped off the right triangular trim piece facing the passenger door, dropped the knee airbag, and pulled off the panel the glove box mounts to. Attached to that trim panel is the ASC module and is easy to unplug or remove. Attached to this post I have some photos of what to look for. Very straight forward to get to if you have any experience pulling panels and being cautious of bolts, screws and clips.

Also pictured is the factory Bose amp, tucked way up by the front passenger fender by the cabin filter. I will be fussing with that tomorrow, probing inputs for a flat low level headunit output for my DSP. Let me know if you guys have questions or anything like that!


11th Gen Honda Civic ASC Active Sound Control delete on 2022 Civic Si - DIY how-to F73D879F-396C-461F-9240-662BA4AFDD76
11th Gen Honda Civic ASC Active Sound Control delete on 2022 Civic Si - DIY how-to 4CAACB28-77BA-44B5-B1B1-61E0BC0B5114
11th Gen Honda Civic ASC Active Sound Control delete on 2022 Civic Si - DIY how-to CD101530-BBA0-40B4-BAAD-8CD95607375E
11th Gen Honda Civic ASC Active Sound Control delete on 2022 Civic Si - DIY how-to 7DF009D1-86F4-42E3-B443-2C903D3C81BE
11th Gen Honda Civic ASC Active Sound Control delete on 2022 Civic Si - DIY how-to 69D1E01B-7CDE-439B-9E88-22DC9505FF07
11th Gen Honda Civic ASC Active Sound Control delete on 2022 Civic Si - DIY how-to AA62859B-CE14-4824-B9AC-093B839082CD
11th Gen Honda Civic ASC Active Sound Control delete on 2022 Civic Si - DIY how-to 069E6F9C-2787-45F3-B34C-EF421DAB67A2
11th Gen Honda Civic ASC Active Sound Control delete on 2022 Civic Si - DIY how-to C34CE8E7-6A1F-4E41-890A-295A3C0226CB
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22Si

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Does anyone know how this module works? Does it take actual engine sounds and then amplify it or is it just feeding fake engine noise based on our rpms?
 

alex4515

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Alex
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Dallas, TX
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2023 Honda Civic Si
Is this the same module that creates the fake engine noise (I believe only in sport mode)? How does the car sound with it disabled/removed?
 


TypeRD

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Ryan
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it dampens engine noise. it's like noise-canceling for your engine.
I think you’re being sarcastic…?
If by noise-canceling you mean drowns-out the actual engine noise, then yeah, that’s what it does.🤣
 

TypeRD

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Ryan
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Does anyone know how this module works? Does it take actual engine sounds and then amplify it or is it just feeding fake engine noise based on our rpms?
Pretty positive it is fake engine noise. It doesn’t sound natural at all, though some have found it semi-useful on track (because it is easier to hear “the car” with a helmet on). I would much rather have Michael Winslow ride shotgun and make car sounds for me.
 

cryptolime

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Wilmington, NC
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2023 Civic Si
I think you’re being sarcastic…?
If by noise-canceling you mean drowns-out the actual engine noise, then yeah, that’s what it does.🤣
i think the ANC is only on some other models. I guess i mixed them up. The ANC blocks low frequency engine noise. not sure how the sport mode noise works. i just assumed they worked together.

i'm also wondering if the system pipes more noise directly from the engine with a microphone or just is simulating engine noise with a synthetic audio track?
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