Kleinn Air Horns · New
Kleinn Chrome Roof Mount Dual Horn/ 13.5In/11.5In - Chrome-Plated Spun Copper
MPN 401 · Store SKU kle401
Supplier stock checked 11/7/2026, 5:32:41 PM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Equip your truck with the Kleinn 401 direct-fit dual chrome-plated roof-mount air horn system, featuring two all-metal trumpets measuring 15 inches and 13 inches in length to create a deafening blast of over-the-road fury. Engineered for universal semi-truck and commercial vehicle applications, this premium roof-mounted dual horn configuration delivers an authentic big-rig tone, producing a massive 152.1 decibels of sound at 150 PSI. Designed for custom external mounting, this high-performance horn kit requires a pressurized onboard air system, a manual hand-pull air valve (Model 310 or 311), or an electronic solenoid valve to operate. For a proper and leak-free setup, the installation requires a Model 330 Roof Mount Air Horn Fittings Kit, providing the ultimate balance of glistening chrome style and serious acoustic presence that heavy-duty custom truck builds count on. Kleinn 401 - Roof Mount Dual Chrome Air Horn (Manual Pull Valve or Solenoid, SKU# 330 not included) 401 Roof Mount Dual Chrome Steel Air Horn - 1/4" Line Input - Big Rig Authority
Manufacturer fitment & guides
Check 401 against the manufacturer’s application information below.
Part-specific notes
- California Proposition 65: Y
