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Fulfillment From Multiple U.S. Warehouses
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Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
Authorized Brand Dealer
Fulfillment From Multiple U.S. Warehouses
Enthusiast Owned & Supported
Easy Financing Available!
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Turbo XS
TurboXS Hella Horn Plug-and-Play Wiring Harness for 2015-2021 Subaru WRX STI (WS15-HHWH)
$48.00
This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!
Simplify your aftermarket horn installation with the TurboXS Hella Horn Wiring Harness (WS15-HHWH). Engineered specifically for the 2015-2021 Subaru WRX STI, this harness provides a direct plug-and-play solution for mounting Hella Supertones, Sharptones, or similar high-output horns without cutting, stripping, or splicing your factory electrical system.
- True plug-and-play design connects directly to OEM horn triggers
- Compatible with Hella Supertone and Sharptone dual-horn kits
- Pre-terminated connectors for a secure, reliable electrical connection
- Maintains factory circuit integrity while ensuring consistent power delivery to high-decibel horns
- Includes all required wiring and connectors for a complete dual-horn configuration
- Manufacturer Part Number: WS15-HHWH
Fits all 2015-2021 Subaru WRX STI models, including Base, Limited, Launch Edition, S209, Series.HyperBlue, and Type RA.
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2021 | Subaru | WRX STI | Base |
| 2015 | Subaru | WRX STI | Launch Edition |
| 2015-2021 | Subaru | WRX STI | Limited |
| 2019 | Subaru | WRX STI | S209 |
| 2016 | Subaru | WRX STI | Series.HyperBlue |
| 2018 | Subaru | WRX STI | Type RA |
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Atlus
1340 Cobb Dr, Unit 1, Eustis, FL 32736
352-234-4458
Mon – Fri: 8:30 am – 4:30 pm
Sat: 9:00 am – 2:00 pm
Sun: Closed
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If you can find the part for a lower price from an authorized dealer/shop, we'll match the price! Reach out to Hello@AtlusAuto.com, our live chat located at the bottom right of your screen, or request an Atlas Price Guarantee, or visit our dedicated APG page to submit a request.
TurboXS Hella Horn Plug-and-Play Wiring Harness for 2015-2021 Subaru WRX STI (WS15-HHWH)
$48.00
This product will be available soon, but you can pre-order now to get on the list before others!
US Based Support - In Florida
30 Days Satisfaction Guarantee
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Our prices are updated daily to ensure we can offer you the best possible price. In the unlikely case that you have found a lower price, please contact us at hello@atlusauto.com and we'll do our best to answer your query right away!
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$48.00
$48.00
$48.00
Simplify your aftermarket horn installation with the TurboXS Hella Horn Wiring Harness (WS15-HHWH). Engineered specifically for the 2015-2021 Subaru WRX STI, this harness provides a direct plug-and-play solution for mounting Hella Supertones, Sharptones, or similar high-output horns without cutting, stripping, or splicing your factory electrical system.
- True plug-and-play design connects directly to OEM horn triggers
- Compatible with Hella Supertone and Sharptone dual-horn kits
- Pre-terminated connectors for a secure, reliable electrical connection
- Maintains factory circuit integrity while ensuring consistent power delivery to high-decibel horns
- Includes all required wiring and connectors for a complete dual-horn configuration
- Manufacturer Part Number: WS15-HHWH
Fits all 2015-2021 Subaru WRX STI models, including Base, Limited, Launch Edition, S209, Series.HyperBlue, and Type RA.
🔧 Fitment & Compatibility
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2021 | Subaru | WRX STI | Base |
| 2015 | Subaru | WRX STI | Launch Edition |
| 2015-2021 | Subaru | WRX STI | Limited |
| 2019 | Subaru | WRX STI | S209 |
| 2016 | Subaru | WRX STI | Series.HyperBlue |
| 2018 | Subaru | WRX STI | Type RA |
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