This 2015 GMC Sierra 3500HD Dually Denali, presented by KEG Media at the 2018 SEMA Show, stands as a powerhouse of design, performance, and sheer road presence. Sporting 28" wheels, 40" Fury Tires, and a 12-16" Ultimate Air Ride Suspension Lift, the truck already commands attention, yet it's the Shocker XL Train Horns that elevate it to an entirely new level of dominance.
With its St. Patrick’s Day-themed color scheme, this custom Sierra Dually exudes individuality. But it’s the unmistakable blast of the Shocker XL Train Horns that truly sets it apart—announcing its arrival with a thunderous roar that’s impossible to ignore. Designed for extreme loudness and durability, these horns are the perfect sonic counterpart to the truck’s show-stopping visuals.
Key Features:
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Shocker XL Train Horns – 147.7 dB of real train horn power
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Bold Aesthetic Integration – Horns complement the truck’s green-themed show build
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Custom Suspension & Wheels – 12-16" lift on 28" wheels with 40" tires
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Built for SEMA – Designed by KEG Media and unveiled at the 2018 SEMA Show
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Unrivaled Sound – Crisp, powerful tone that mirrors the truck’s aggressive build
READY TO MATCH THIS DENALI'S BOLD STYLE?
Shocker XL train horns deliver authentic locomotive sound that commands attention. Get the same powerful performance with our complete Conductor's Special Train Horn Kits that include everything needed for installation.

