I agree on both applications. The thinking was One, only will lift 4000 lb. Two, the tall campers seem to sway more up on the air. Three, they take out one leaf on the spring pack when you get factory air. Lastly when you get factory air it is not adjustable from side to side. If I decide to get air bags I can do it for half the factory cost and have them rated to 5000lb with each independent adjustment.The air suspension is great for bumper or 5th wheel application! Not sure why anyone would tell you that!
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