Model 401: Round Chrome Roof-Mount Dual Air Horns New Featuring a clever underside air

Featuring a clever underside air inlet

harmonic chord that mirrors a real train

weather-resistant black epoxy finish

or White to perfectly match any truck interior cockpit scheme

1/4" air horn tubing

Model 401: Round Chrome Roof-Mount Dual Air Horns New Featuring a clever underside airModel 401 ROUND Chrome Roof Mount Dual Air Horns BIG RIG AUTHORITY Bring the unmistakable thunder of a Mack or Peterbilt to your Rig. Whether performing a fresh build or upgrading your current roof mount horns, Model 401 delivers that iconic semi truck roar that demands immediate respect. Precision engineered for high pressure performance, these horns thrive between 120175 PSI to ensure maximum acoustic impact every time you hit the valve. SLEEK