Originally Posted by NorthStyle

O.Z. - Good to see someone else head down this route. However, if you plan on running two tanks I'd recommend you upgrade to at least a single Viair 480 compressor. I'm running a single 480 on a 3 gal tank and it's slow and loud when refilling after a few up/down motions. I'd hate to see how long that 440 takes by its lonesome although with two tanks it won't be as often.