My Setup on my 1996 S10. I’ve got a Nathan Airchime K5LLA Which I got off of eBay. I’ve got 2 air compressors, and a 5 Gal air tank in the bed of my truck, it’s all mounted on a slab of wood with some cloth stappled on it. I’ve got this all hooked to a fuse under the hood and i plan on putting a separate car battery in the bed to power BOTH compressors since i have a 30V Circuit and combined the compressors make about 40v which blew my first circuit (was a dummy and overloaded it) so i’ve just got one compressor running. The tank takes a while to fill but it gets the job done. Heres a video of a run-by with my horn.
Whatcha guys think? 
(Since i’m new i had to put all of my images/videos into one YT vid so sorry about that).
no one expects my truck haha. I’ve gotten a few good scares with it. But i try not to get into too much trouble with it