New Camper, I highly recommend researching the reliability of the Curt Echo Wireless brake controller both on this forum and google. I, and many others, think it is absolutely trash. (mine went out with the trash after about 18 months of use) Most users seem to get about one season out if it before it starts locking up…
We tow with an Outback Onyx XT. It has plenty of power. 3500lb tow capacity and 350lb tongue load. A 320 should weight about 22 to 2300ish loaded. Well inside the capability of the vehicle. You need to use the factory hitch. Aftermarket hitches often attach to areas not stressed for the added weight. Subaru provides a very…