Here is John's 2010 Jeep Wrangler that features one of our insanely loud 2-gallon Conductor's Special train horn kits! The Conductor's Special 228H combines the power of our Shocker XL train horn with a 2-gallon 150 PSI air source unit. With the combination of these two it's no joke when we say you now possess the power of a locomotive at your fingertips! The 2-gallon tank provides roughly 4-6 seconds of honk time with these insanely loud horns giving you plenty of time to clear the path ahead.