First be sure it is compatible with the fit and weight carrying capacity of your bumper.
Airstream Service Center at the factory put ours on for about $150 as I recall. They do them every day, I remember someone was charged $300 labor at a dealer. Get a quote. Ask how many they have installed, you don't want to be the first one if they have a learning curve.
Doug and Cheryl
2012 FC RB, Michelin 16, ProPride 1400
2016 Ram 1500 Laramie Crew Cab 4X4 Ecodiesel 3.92 axles
The Truth is More Important Than the Facts