DIY Train Horn Gun Kit with 4 Trumpets (Universal) quad ridged horn Stand out from the crowd

Stand out from the crowd with its unique features:

Ensure your presence is known and heard

this horn is built to withstand the test of time and provide years of reliable use

Simply connect the components and you're good to go

Works with all Bosch 18v batteries or generic batteries

DIY Train Horn Gun Kit with 4 Trumpets (Universal) quad ridged horn Stand out from the crowdJust do it with our Train Horn 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 train 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