Holden Mann wanted maximum volume for his 2017 Ford F250, so he went straight for the top of the lineup with the Shocker S6 544K Nightmare Edition. This isn't your standard four-bell setup. The Nightmare Edition packs six Shocker train horn bells, including extra #2 and #3 bells that create a richer, fuller chord that's noticeably louder than anything else on the road.
The complete kit came with everything Holden needed: six hand-tuned bells, a 5-gallon 8-port air tank, and the HornBlasters 1NM air compressor. At 150 PSI, this system delivers 8-10 seconds of continuous honk time with rapid recovery between blasts. The components mount cleanly under the truck, keeping the professional appearance of his F250 while adding serious sound authority.
The onboard air system does more than just power the horns. Holden can use it for tire inflation on job sites, run air tools, or add air-powered accessories down the road. The 8-port tank design gives him plenty of options for future expansion, making this upgrade as practical as it is powerful.
Feature Highlights:
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Six-Bell Power: The Shocker S6 features six individual train horn bells working together to create a richer, fuller sound with more depth and volume than standard four-bell setups
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Complete Air System: Includes a 5-gallon 8-port air tank and HornBlasters 1NM air compressor, delivering 8-10 seconds of continuous honk time with rapid recovery to keep you ready
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Multi-Purpose Design: The onboard air system isn't just for the horn. Use it for tire inflation, air tools, or other air-powered accessories, making this a versatile upgrade for any truck owner
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Built to Last: Industrial-grade stainless steel diaphragms and fiberglass-reinforced ABS construction ensure your horn withstands the elements and delivers reliable performance for years
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Ready to Install: This complete kit includes everything you need: horns, tank, compressor, wiring, fittings, and hardware, so you can get up and running without hunting for additional parts
Upgrade Your Truck:
Ready to upgrade your truck with the same commanding sound as Holden's F250? The Shocker S6 544K Nightmare Edition is a complete bolt-on solution that brings authentic train horn power to your ride. Shop now and get everything you need in one package.
