I drive a 2013 gas 35 foot class A Fleetwood Bounder. I have only been on one 3 month trip. The RV seems to drift some when passed by large trucks. I can control it, but it gets tiring to drive. I...
X4 or 5 by now. Cheap Handling Fix. Try it first along with alignment and correct tire pressure. If that doesn't work, then a rear track bar should do the trick.
I did all that on my 2011 Fleetwood Storm and was very satisfied.