Exterior three-quarter view of Brandon's 2024 Toyota Tundra i-FORCE MAX TRD Pro with HornBlasters Nathan AirChime K5LA 544 train horn kit featured customer install gallery photo 1

Front angle or cab detail of Brandon's 2024 Toyota Tundra i-FORCE MAX TRD Pro HornBlasters Nathan AirChime K5LA 544 install gallery photo 3

Close-up of HornBlasters Nathan AirChime K5LA train horn bells or manifold on 2024 Toyota Tundra i-FORCE MAX TRD Pro customer install gallery photo 4

Finished Nathan AirChime K5LA 544 train horn kit overview on Brandon's 2024 Toyota Tundra i-FORCE MAX TRD Pro HornBlasters gallery photo 5

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Featured Install

Nathan AirChime K5LA 544 Train Horn Kit

Brandon's 2024 Toyota Tundra i-FORCE MAX TRD Pro

Sound Sample

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Owner Brandon

Year 2024

Vehicle 2024 Toyota Tundra i-FORCE MAX TRD Pro

Brandon P. just took his 2024 Toyota Tundra i-FORCE MAX TRD Pro to an entirely new level of loud with the Nathan AirChime K5LA 544 Train Horn Kit, a setup built for those who demand the very best in sound and performance. Known for its authentic locomotive tone and unparalleled volume, the K5LA transforms this already impressive TRD Pro into a true powerhouse on wheels.

This horn setup isn’t just about sound, it’s about presence. When that K5LA lets loose, it commands attention instantly, blending perfectly with the Tundra’s aggressive stance and powerhouse engine. The result is a build that’s as clean as it is thunderous, delivering the unmistakable HornBlasters experience.

Key Features

Genuine Nathan AirChime K5LA 544 Train Horn
Authentic, deep locomotive tone
Premium air system for maximum performance and pressure
Clean, professional install integrated with the Tundra’s undercarriage
Built to last with commercial-grade materials and fittings

HornBlasters Shocker S6 544K Nightmare Edition Train Horn Kit

PRODUCT

PRICE

Sold out

UP TO 1500% LOUDER

UNLIMITED HONKING

ZERO
DELAY

CAPABLE ONBOARD AIR SYSTEM

Upgrade Your Ride

Experience the same unmatched tone and volume as Brandon’s TRD Pro.
Explore the Nathan AirChime K5LA 544 Train Horn Kit and make your vehicle impossible to ignore.

SPECIFICATIONS

Part Number	HK-K5-544K
Operating Pressure	150 PSI
Restart Pressure	110 PSI
Voltage	12-Volt DC
Horn	Nathan AirChime K5LA (K5 low mount American tune)
Horn Material	Cast Aluminum
Horn Length	19″ (482.6 mm)
Horn Width	29.75″ (755.65 mm)
Horn Height	9.25″ (234.95 mm)
Horn Weight	37 lb (16.78 Kg)
Horn Port	½″ NPT

Tank	HornAir 5-gallon 8 port air tank
Tank Length	20.5″ (520.7 mm)
Tank Diameter	9.5″ (241.3 mm)
Tank Height	11.5″ (292.1 mm) (With Legs)
Tank Weight	20 lb (9.07 Kg)
Tank Ports	x7 1/2" NPT, x1 3/4" NPT
Max Amperage	26 amps
Maximum Duty Cycle	33% @ 100 PSI
Compressor Length	9.0″ (228.6 mm)
Compressor Width	4.0″ (101.6 mm)
Compressor Height	7.05″ (179.07)
Compressor Weight	8.00 lb (3.63 Kg)

FILL RATES

5.0 GALLON TANK	FILL RATE
0 to 150 PSI	6 min. 45 sec. (± 10 sec.)
110 to 150 PSI	2 min. (± 05 sec.)

Train Horn FAQ

Yes, the Nathan AirChime K5LA 544 Train Horn Kit is a complete system. It includes the Nathan AirChime K5LA train horn, 5-gallon air tank, compressor, all necessary hoses and fittings, wiring, and mounting hardware.

With the 5-gallon air tank, you get 10-12 seconds of continuous honk time at 150 PSI operating pressure. The larger tank provides extended honk time and excellent recovery between uses.

The Nathan AirChime K5LA Train Horn features five die-cast aluminum bells with stainless steel diaphragms, creating an authentic five-chime railroad horn sound. These are reconditioned authentic railroad horns, weighing 37 lbs and built to last.

Absolutely. The Nathan AirChime K5LA 544 Train Horn Kit works great on Toyota Tundra TRD Pro vehicles. With proper mounting and the included air system, you can achieve a clean installation that delivers that classic locomotive sound.

Absolutely. The onboard air system provides capacity for tire inflation, running air tools, or powering other air-powered accessories. This makes the upgrade both impressive and practical beyond just the train horn.

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