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Hella Supertone Horn Combo w/ Subimods Bracket and V4 Wiring Harness 2015-2017 WRX / STI



Hella Supertone Horn Kit:

We've all been there, someone cuts you off and you lay on the horn hoping to make your presence known although as most Subaru owners have found the stock horns leave much to be desired. The highly popular Hella Supertones are the horns to have for getting the attention of other vehicles on the road. Hella utilizes a combination of low tone (300Hz) and high tone (500hZ) disk-type horns to project a powerful 118dB sound. These horns are the go to replacement for the faint stock Subaru horns! 


Subimods Hella Horn Bracket:

The Subimods Horn Bracket was the first of its kind! Designed in house and produced out of high quality aluminum which is percisely bent for added strength. Our horn bracket allows for simple no hassle mounting our your Hella Supertones. Unlike other manufactures when desiging our bracket we sat down and confirmed that our bracket would fit on the most popular Subaru models this created a uniquely designed universal bracket that can be utilized on your favorite Subaru models! As always all of our Subimods products are made right here in United States.  

Our Subimods Horn Bracket is by far the most tried and popular solution to mount your Hella Supertone Horn Kit with tens of thousands sold this is proven. 


Subimods V2 Hella Horn Harness:

Many customers do not realize that when you purchase a set of Hella Supertone Horns you will only receive a relay and some brief instructions on how the horns should be connected, some customers aren’t fully equipped to handle such a task others just don’t have the time to deal with making there own Wiring Harness from scratch. 


When brainstorming a new feature set for a new Hella wiring harness our team began by improving the components used, a new relay and socket design allowed us to streamline assembly and allow us to provide customers with a limited lifetime warranty on the harness entirely! That's right if you are the original purchaser Subimods will refurbish or replace your wiring harness should any defect arise during the period you own the product. Other build quality improvements were added to this harness such as a revised split loom to better withstand the elements and an upgraded fuse holder. The biggest feature came to us after we were discussing a way to give customers who purchased a two-horn setup credit towards a four-horn setup should they wish to convert. Our lead engineer almost burst out "make them all four-horn harnesses!" and that was how the idea was born. Now "4 is the new 2" if you want to just use two leads, go right ahead the harness will work exactly the same as our old gen HV2 but say you want to unleash the power of the quad horns on the road (down the road or out of the gate) just connect up the two extra sets of leads to another horn kit and boom! The best part is that we preserved our HV2 pricing on this new V4 revision so you aren't paying a cent more for this amazing new design! 



  • 2015-2016 WRX
  • 2015-2016 STI
Watch Nick take you through the install of our Hella Horn Kit on your 2015-2016 WRX or STI


  1. Neighbors hate them Review by Chris

    These horns were very simple to install and extremely loud! (Posted on 6/13/2018)

  2. Great Kit Review by Marc

    Installed on a 2018 sti. Caliper Green color is spot on with the new calipers. Fitment was 9/10. The back of both horns would barely touch the upper plastic support but 30 seconds with a dremel fixed the issue (honestly it didn't need to be done but I'm a bit of a perfectionist) Don't know if they changed the horn trigger wire connection on the 2018's but the kit says for 2015-2017 but the harness would not connect to the factory trigger plug... cut subimod harness put on a spade connector, little dielectric and some shrink wrap and it was good to go. The harness they supply is by far the best on the market right now and mounted perfectly behind the front crash bar out of sight with enough room to run power and ground along the front up through the washer fluid reservoir and to the battery. (Posted on 12/26/2017)

  3. As Promised Review by Matt

    I don't really wrench on my car or midify, but had to have these. The wiring is plug and play and very easy to install. The bracket is decent, but two mounting points would have been ideal to prevent risk of rotation. The horns are loud and much better than stock.

    Install time was 1 hour for me. Bumper removal to bumper put back on.

    A few things that were not included, but needed IMO. Zip ties, dielecrtic grease on the plugs for horn, and anti cease for the main mounting bolt.

    Minor gripes aside, 5 stars for fast shipping, easy to follow install video, and quality product. (Posted on 6/12/2017)

  4. Great all around Review by Caleb

    The hella horns look fantastic peeking through the grill. Install with the plug and play harness was simple and painless. Oh and their pretty damn loud
    (Posted on 4/4/2017)

  5. Excellent Aftermarket Horn Kit! Review by PewPewLife

    The install was really plug-and-play. The install literally took less than 10 minutes and majority of the time went into taking and putting back on the bumper. Note Subimods Hella Horn Kit is probably the best horn kit that's currently out in the aftermarket industry due to the fact it's waterproof and the harness itself feel like it's made to a high standard. I've also previously purchased the Hella Horn Kit from a different manufacture and it wasn't made any near Subimods quality. (Posted on 3/9/2017)

  6. Loud! Review by Jacob

    Install was pretty straight-forward while watching the install video. Honestly, the hardest part was removing the bumper and that wasn't anywhere near difficult. Would recommend if you don't like the stock horn! (Posted on 2/20/2017)

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Disclaimer provides fitment information provided to us by the manufacturer.  However, please make sure the product you are purchasing will fit your year, make, & model Subaru.  For example, one product may fit only a 2002-2004 WRX, but also fits a 2005-2007 STI.  This same product may not fit a 2005-2007 WRX.  Either way, the product will list the fitment years as follows: 2002, 2003, 2004, 2005, 2006, 2007.   So please be sure the product will fit your specific application.  The majority of the products listed on our site will have the year, make, & model fitment information directly in the product title. will not be held liable for purchases made for the incorrect application, and a restocking fee may be required.  If you have any questions, PLEASE contact us before making your purchase.  Our knowledgeable staff will be happy to assist you!  

Hella Supertone Horn Combo w/ Subimods Bracket and V4 Wiring Harness 2015-2017 WRX / STI

6 Review(s)


From: $112.74

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Price as configured: $0.00

Subimods V4 Hella Horn Harness Kit 2015-2017 WRX / 2015-2017 STI / 2013-2016 BRZ   +$48.62
Subimods Hella Horn Bracket 2015-2019 WRX / 2015-2019 STI / 2014-2016 Forester   +$26.68

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Hella Supertone Horn Combo w/ Subimods Bracket and V4 Wiring Harness

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