DIY Train Horn Gun Kit with 4 Trumpets (Universal)

Just do it with our Train Horn Gun Kit with 4 Trumpets! We included all necessary for building extremely loud cordless horn from your impact tool. Most brand tool perfect fits our compressor and horns to build it yourself. How to make a impact air horn? Here is simple steps: Unscrew a clamp shell Remove gears Remove drill motor Fit shell to match air compressor Connect air compressor to terminals Connect battery and doublecheck compressor works properly Screw back shell Drill 2 holes for bolts from the back side Install horns mount using 2 bolts Connect hose to the compressor and horns Enjoy your new horn!