Arlen Ness 10-Gauge Universal Billet Horn Kit Each horn kit includes exclusive forged billet aluminum housing with stainless steel mesh insert. These forging were designed to not only provide great styling, but also allow a compact package for ample leg clearance. The forged aluminum construction also benefits these horn kits by ensuring a lifetime of durability and maximum strength to weight ratio. Features: 10-gauge styling The high performance horn is capable of 110 dB A stainless steel mesh insert is installed into each housing for style and additional horn protection