Kleinn Air Horns · New

Kleinn Chrome Roof Mount Single Horn/ 21.5In - Chrome-Plated Spun Copper

Name: Kleinn Chrome Roof Mount Single Horn/ 21.5In - Chrome-Plated Spun Copper
Brand: Kleinn Air Horns
SKU: kle411
Price: 149.44 USD

MPN 411 · Store SKU kle411

$149.44

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Supplier stock checked 11/7/2026, 2:28:14 PM UTC. Adding a part does not reserve it.

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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 411 direct-fit single chrome-plated roof-mount air horn system, featuring a single premium all-metal trumpet measuring 25 inches in length with an oversized bell end to deliver the ultimate big-rig sound. Engineered for universal semi-truck and commercial vehicle applications, this massive, heavy-duty roof-mounted configuration allows you to command the road with a deep, authentic, and deafening locomotive-style blast. Designed for clean external mounting on custom or commercial rigs, this high-performance horn kit requires an onboard pressurized air system and can be operated using a manual hand-pull air valve or an electronic solenoid valve. For a proper, leak-free setup right out of the box, the installation requires a Model 330 Roof Mount Air Horn Fittings Kit, providing the ideal balance of gleaming chrome style and serious acoustic presence that serious custom truck builds count on. 22-3/8" Stainless Steel roof mount round truck horn (no solenoid or manual pull valve included). 411 Roof Mount - 25" Round Chrome Air Horn - 1/4" Line Input - Big Rig Authority

Manufacturer fitment & guides

Check 411 against the manufacturer’s application information below.

Part-specific notes

California Proposition 65: Y

Manufacturer documents

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What is the return policy?

Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

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This policy does not limit rights required by law.

Kleinn Chrome Roof Mount Single Horn/ 21.5In - Chrome-Plated Spun Copper

Product details

Manufacturer fitment & guides

Part-specific notes

Manufacturer documents

THE NEXT PART
OF YOUR BUILD.

Free shipping on $100+ orders.

Build with the right brands.

Find your next upgrade.

Make the whole setup work.

A few things to know.

Your build.

Delivery & checkout

Delivery address