silly willy....those arent train horns, those are air horns!
now these are train horns....heheheh, just waiting to get a 5gallon tank, 1/2" air valve, and 1/2" hose and a few hours to get it all installed and secured.

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2/4 4x4 4.6 xlt, 5k 55w ddm, slp lm1, nathan k3la, sundown saz3000d amp/pioneer deh-p5100ub/18" fi btl fully loaded, vmp tuned, k&n cai