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Thread: Need new horn

  1. #1
    Scowally's Avatar
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    Need new horn

    My horn just gave out today (and I needed it!) for the person cutting through a parking lot and not looking.

    Anyway, my old horn just stopped working, and it really wasn’t very good anyway. I’m looking to do an upgrade and no, I do not want the train horn. If I wanted the train horn, I would’ve bought a locomotive.

    Any ideas for a good horn for Cobras that can be heard over our engines? The Hella airhorn looks like a good idea but it looks quite complicated for wiring.

    Would love to hear your thoughts if you’ve had similar issues and what you used for horns

    Scott
    Mk III, 331, Edelbrock dual quad, paint and body work by Whitby

  2. #2
    Senior Member Mike.Bray's Avatar
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    The horns that came with my MKIV kit are plenty loud. Not train horn loud but louder than a typical OEM car or truck which is what you need with these cars. You might check with Factory Five about buying a set.
    My build thread https://thefactoryfiveforum.com/show...Roadster-Build

    Thread on Stainless Steel AN brake lines.

    Thread on fasteners and torque wrenches.

  3. #3
    Senior Member MB750's Avatar
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    Quote Originally Posted by Scowally View Post
    My horn just gave out today (and I needed it!) for the person cutting through a parking lot and not looking.

    Anyway, my old horn just stopped working, and it really wasn’t very good anyway. I’m looking to do an upgrade and no, I do not want the train horn. If I wanted the train horn, I would’ve bought a locomotive.

    Any ideas for a good horn for Cobras that can be heard over our engines? The Hella airhorn looks like a good idea but it looks quite complicated for wiring.

    Would love to hear your thoughts if you’ve had similar issues and what you used for horns

    Scott
    Go to Auto Zone/Advance Auto/O'Reillys/Napa and buy two of those disc horns. One is high-tone, the other is low-tone. Use them both. That's what the Mk4 has.

    Or, there's those motorcycle specific ones that are plenty loud as well, but they usually require a relay.
    Matt
    My build thread here

  4. #4
    Not a waxer Jeff Kleiner's Avatar
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    Quote Originally Posted by MB750 View Post

    Or, there's those motorcycle specific ones that are plenty loud as well, but they usually require a relay.
    The Ron Francis harness already has a horn relay.

    Jeff

  5. #5
    Senior Member rich grsc's Avatar
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    Salvage yard……..Mustang horn.
    All horns use a relay
    Mrk III, 331 stroker, Borla stack injection, T5, 3:55 IRS, Power steering and brakes. Kleiner body & paint

  6. #6
    Senior Member TTimmy's Avatar
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    I tried a Bosch disk horn but it sounded like an import. I landed on these; I got a high and low tone.

    FIAMM 72102 Freeway Blaster HIGH... https://www.amazon.com/dp/B000FKKOK6...p_mob_ap_share

    FIAMM 72102 Freeway Blaster HIGH... https://www.amazon.com/dp/B000FKKOK6...p_mob_ap_share
    Build 1: Type 65 Coupe
    - Album: Coupe Album
    - Delivered: February 24, 2022, Legal: April 20, 2024, Complete: TBD

    Build 2: Mk3 Roadster
    (Acquired as a partially started build)
    - Build Thread: TTimmy’s MK3 Basket Case Build Thread - Album: Mk3 Album
    - Originally Delivered: 2004, Acquired by me: August 2024

  7. #7
    Senior Member Nigel Allen's Avatar
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    Many European cars have twin horns that are loud and have a good note. Hit the salvage yard.
    Mk.4 FFR supplied Right hand drive
    Received 12/2012 completed 12/2019
    Gen1 Coyote / TKO600 / IRS
    Lots of mods to make compliant for Australian design rules

  8. #8
    Senior Member edwardb's Avatar
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    These $25 horns from HF aren't bad. Used them a couple times. https://www.harborfreight.com/automo...orn-58807.html
    Build 1: Mk3 Roadster #5125. Sold 11/08/2014. Build 2: Mk4 Roadster #7750. Sold 04/10/2017. Build Thread
    Build 3: Mk4 Roadster 20th Anniversary #8674. Sold 09/07/2020. Build Thread and Video. Build 4: Gen 3 Type 65 Coupe #59. Gen 3 Coyote. Legal 03/04/2020. Build Thread and Video
    Build 5: 35 Hot Rod Truck #138. LS3 and 4L65E auto. Rcvd 01/05/2021. Legal 04/20/2023. Build Thread. Sold 11/9/2023.

  9. #9
    Senior Member john42's Avatar
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    I have a Bad Boy horn. Has a nice (loud) Euro Sports car sound. Not overly loud but certainly a bit louder then the FF horn.

    https://a.co/d/eydoTNW
    MK3 Challenge Car, Boss 347, Sniper 2 EFI

  10. #10
    Junior Member
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    Got a Hella Ferrari replica horn. Cheap, loud, easy to install, and cool as hell.

  11. #11
    Administrator David Hodgkins's Avatar
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    I put Hella tri-air horns in both of my builds. Here’s a demo:
    I made the brackets myself. You should be able to find them in my 15th anniversary build thread linked below.


    FFR 5369 Pin Drive, IRS, Trigos, Torsen, Wilwoods, FMS BOSS 302 "B" cam , Mass-flo. CA SB100 (SPCN) Registered
    Delivered 4/23/06. "Finished" 4/2012 (still not done!)


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