Enhanced Customs took their 2009 Hummer H2 to the next level with the Conductor’s Special 544 Nightmare Edition Train Horn Kit, packing both powerful sound and stealthy aesthetics into one impressive build. Designed for those who demand extreme performance and reliability, this setup delivers a bone-rattling blast that commands instant attention.
At the heart of the kit are the Shocker XL Train Horns, renowned for their authentic locomotive tone and ear-piercing volume. Hand-tuned in the USA to meet the federally mandated train signal chord, these horns don’t just sound like a train, they are the train on the road.
Paired with a robust 5-gallon onboard air system, this kit is built to perform. From 110 to 150 PSI in just under 2 minutes, the system recharges fast and delivers long, thunderous honks on demand. Everything needed for a clean, weatherproof install is included, making it an ideal choice for any large SUV or truck.
Key Features:
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Horn Model: Shocker XL Train Horns – Hand-tuned for true locomotive sound
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Kit: Conductor’s Special 544 Nightmare Edition
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Vehicle: 2009 Hummer H2 – Built by Enhanced Customs
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Air System: 5-gallon tank with 220-watt compressor
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Recharge Time: 110 to 150 PSI in 1 minute and 45 seconds
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Performance: Ridiculously loud, road-legal authenticity
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Fitment: Ideal for trucks, SUVs, and high-clearance vehicles
Ready to Go Nightmare Loud?
Unleash raw volume with the Conductor’s Special 544 Nightmare Edition Train Horn Kit.





