Tested for trucks
Train Horn / Truck
Pickup · Heavy-Duty · Semi · Lifted
FILE 001-A REV 2026.04
Class 8 semi truck on highway at golden-hour, side profile
FRAME 01 · ROADSIDE
PHOTO · Josiah Farrow
Loudest measured
156dB
Nathan K5LA · 10 ft / A-weighted
→ dB at distance
· Independent · Truck-only

LOUDER THAN
YOUR TRUCK.

Independent picks, install math, and tank-sizing calculators for the people who put 150-decibel air horns on trucks. Filtered through: does it work on a truck?

/01
200psi
Max tank rating
/02
46A
Compressor peak draw
/03
24V
Class 8 systems
/04
50state
Legality covered
Status · Building in public

FOUNDATION DEPLOYED.
CONTENT INCOMING.

The framework is live, the calculators are working, the deploy pipeline ships in 60 seconds. Reviews, install guides, and brand pages are being built. If you have a specific truck and a specific horn pairing you want covered first — tell us.