i always wanted air horns and i finally found a set at my dads yard. its two air horns with an air line hooked up to it. i wanted to know what is the best way to hoook them up with or without a compressor, whatevea is easier and i want to know all the hardware i need, i have a 2002 2500 series dodge with a 5.9l engine thanks1!!

 

Get a small air tank, Then fill it at the gas station.
you'd be suprised how long a small tank will last.
And if you put a regulator on it it will last even longer.
What kind of air horn? Train or truck?
Both ways it'll be loud enough to clear the road in front of you!