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Exterior three-quarter view of Jermyn's 2015 Toyota Tacoma Xrunner with HornBlasters Flatlaw 127H train horn kit featured customer install gallery photo 1
Side profile or pickup stance of 2015 Toyota Tacoma Xrunner with Flatlaw 127H train horn install context, HornBlasters gallery photo 2
Close-up of HornBlasters Flatlaw 127H train horn bells or manifold on 2015 Toyota Tacoma Xrunner customer install gallery photo 3
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Exterior three-quarter view of Jermyn's 2015 Toyota Tacoma Xrunner with HornBlasters Flatlaw 127H train horn kit featured customer install gallery photo 101
Exterior three-quarter view of Jermyn's 2015 Toyota Tacoma Xrunner with HornBlasters Flatlaw 127H train horn kit featured customer install gallery photo 102
Side profile or pickup stance of 2015 Toyota Tacoma Xrunner with Flatlaw 127H train horn install context, HornBlasters gallery photo 203
Close-up of HornBlasters Flatlaw 127H train horn bells or manifold on 2015 Toyota Tacoma Xrunner customer install gallery photo 304
Featured Install

Flatlaw 127H Train Horn Kit

Jermyn's 2015 Toyota Tacoma Xrunner

Sound Sample
0:00 0:00
Owner Jermyn
Year 2015
Vehicle 2015 Toyota Tacoma Xrunner

Jermyn took his already standout 2015 Toyota Tacoma X-Runner and cranked the intensity to eleven with our Flatlaw 127H Train Horn Kit. Designed for those who want serious impact, this setup delivers chest-rattling sound and clean integration, making it ideal for show trucks and daily attention-getters alike.

Mounted with care and precision, the Flatlaw 127H delivers that unmistakable train horn blast with unmatched tone and intensity. Whether at car meets, cruising the freeway, or just turning heads in town, Jermyn’s Tacoma now dominates the auditory landscape.

The X-Runner's sleek, aggressive styling pairs perfectly with the raw power of this horn kit. And with a build this clean, it looks like it was made to be LOUD from the factory. When Jermyn hits the button, it’s not just heard, it’s felt.


Key Features:

  • HornBlasters Flatlaw train horn with 17.5" compact design
  • 1.5-gallon 4-port air tank for optimal performance in limited space
  • 2L air compressor with 25% duty cycle at 100 PSI
  • Quick 35-second refill time from 90 to 120 PSI
  • Custom integrated installation for seamless, show-ready finish
  • Deep, powerful sound ideal for meets and highway presence

 

HornBlasters Shocker S6 544K Nightmare Edition Train Horn Kit

PRODUCT

PRICE

Sold out
HornBlasters Shocker S6 544K Nightmare Edition Train Horn Kit

Sold out

UP TO 1500% LOUDER

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UNLIMITED HONKING

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ZERO
DELAY

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CAPABLE ONBOARD AIR SYSTEM

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GET THE POWER OF FLATLAW

Want your truck to stand out like Jermyn's? Check out the Flatlaw 127H Train Horn Kit and experience the perfect combination of compact design and powerful, chest-rattling sound that dominates every auditory landscape.

SPECIFICATIONS

Part Number HK-F3B-127H
Operating Pressure 120 PSI
Restart Pressure 90 PSI
Voltage 12-Volt DC
Horn HornBlasters Flatlaw Train Horn
Horn Length 17.5" (444.5 mm)
Horn Width 16.25" (412.75 mm)
Horn Height 8" (203.2 mm)
Horn Weight 12.5lbs (5.67 kg)
Air Source Length 15.2″ (386.08 mm)
Air Source Width 5.9″ (149.86 mm)
Air Source Height 12.8″ (325.12 mm)
Air Source Weight 13.75 lb (6.24 Kg)
Air Tank 1.5-gallon 4 port air tank
Volume 1.5 gal (6.6 L)
Air Compressor 2L air compressor
Max Amperage 18 amps
Maximum Duty Cycle 25% @ 100 PSI

FILL RATES

1.5 GALLON TANK FILL RATE
0 to 120 PSI 2 min. 10 sec. (±10 Sec.)
90 to 120 PSI 35 sec. (± 5 Sec.)

Train Horn FAQ

Yes, the Flatlaw 127H Train Horn Kit is a complete system. It includes the train horns, 1.5-gallon air tank, compressor, all necessary hoses and fittings, wiring, and mounting hardware.

With the 1.5-gallon air tank, you get 5 seconds of continuous honk time at 120 PSI operating pressure. The tank recovers in approximately 35 seconds, providing quick recovery between honks.

The Flatlaw 127H Train Horn Kit typically operates at a maximum pressure of 120 PSI with a restart pressure of 90 PSI. This ensures consistent and powerful performance for the train horns.

Absolutely. The Flatlaw 127H Train Horn Kit works great on Toyota Tacoma X-Runner vehicles. The compact design makes it ideal for installations where space may be limited, and the system integrates seamlessly with your vehicle.

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.


Want your ride featured next? Tag us or drop your build details and pics—let’s see who’s got the loudest setup out there! Click the button below to submit your install photos to our media submission form!

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Jermyn's 2015 Toyota Tacoma Xrunner Train Horn Install with Flatlaw 127H Kit