The underside of a mini-truck is a harsh environment for an air system to exist. Because a mini-truck sits so close to the ground, and because most mini-trucks spend a ton of time cruising slowly at shows for extended periods of time, the underside of the truck can get extremely hot. With limited space and an exhaust system that most likely exits near the rear axle tubes, regular plastic air line has a good chance of melting under the extreme temperatures. Not only that, but an overworked air compressor can easily melt the air supply line leading to the storage tank. Maybe that's why we see so many minis blowing air lines at shows.
What are our options, then, if plastic isn't the way to go when plumbing an air suspension? Copper and stainless steel hard lines are very durable, but are also a pain in the butt and time consuming to bend, flare, and maneuver under a truck. The best alternative we've found to plastic and hard lines came from the guys at The Parker Store and Autowerks, both of Columbus, Georgia. The Paker Store is a wonderful place to purchase valves, fittings, and air lines. It turned us onto the many benefits of using stainless steel braided air lines when Autowerks re-plumbed an awesome Nissan Hardbody.
The entire process took just a few hours, and when it was finished, the air system underneath this mini was not only clean, but it was completely leak-free and durable. If you like the idea of having a zero-leak air system, give these guys a call.