Mark’s 2007 Chevrolet Silverado Z-71 is now equipped with a serious audio upgrade, the legendary Shocker XL train horns. Known for their deep, authentic locomotive tone, the Shocker XL horns are hand-tuned to ensure they deliver a powerful and unmistakable blast every time.
Crafted from fiberglass-reinforced ABS plastic, these horns are built to withstand the elements while providing long-lasting performance. Whether for safety or pure shock value, the Shocker XL is a favorite among truck owners who demand performance and durability in one clean package.
This install adds not just sound, but serious attitude to Mark’s Z-71. It's the kind of horn that doesn’t ask for attention, it demands it.
Key Features:
- Shocker XL Train Horn delivers authentic US train horn chords with hand-tuned locomotive sound
- Four individually mountable bells provide flexible installation for Z71 off-road trucks
- High-impact ABS construction with stainless steel internals and brass components for lasting durability
- Lightweight 4.5 lbs design operates at 150 PSI for powerful train horn performance
- Includes four-bell horn, 1/2" stainless steel air valve, hoses and fittings, and mounting hardware
Turn Your Truck Into a Sound Machine
Want the same setup? Explore our kits featuring the Shocker XL train horns.






