Kleinn Model 730 Demon Triple Train Horn, Black Stainless Steel

The Kleinn Model 730 Demon is a black stainless steel triple train horn for full-size trucks, SUVs and Jeeps with onboard air. It's universal and the official replacement horn for Kleinn's HK9 and HK9-Slimline kits.

The assembly has three stainless steel trumpets with zinc alloy components and Kleinn's black XCR 2.0 salt-spray resistant coating, mounted on a heavy-duty flat rack (22.5" x 18.5" x 7.25"). It's fed by a VX6003 heavy-duty brass solenoid with fittings and 12 ft of 1/2" airline. Kleinn rates it at 157.8 dB at 150 PSI.

The Demon is for trucks that tow, work and travel in all kinds of weather. Kleinn rates the XCR 2.0 coating for salt-spray resistance, which matters on rigs that see winter roads or the coast. The trumpets come off the rack for individual mounting if your truck doesn't have room for it.

Horn assembly only. You'll need an air system that delivers 140-200 PSI. A 3-gallon or larger tank is recommended. Kleinn suggests its 6350, 6450 or 6450-Slim onboard air systems. Kleinn's Model 730 installation guide covers mounting and plumbing.

Kleinn's 6890 Ultra BlastMaster upgrade fits the 730 and is rated at 159.6 dB. Kleinn lists extended 2-year coverage on the horn. If that doesn't apply, the standard 1-year limited warranty does.