You will need the crossmember installed. Also I purchased the steel RCI and not the aluminum version which I wish I had because of the added weight. I didn't personally weigh it but it's heavy and made my Sport 1/2 inch lower in the front suspension and noticeable ride difference. More harsh...
Multiple news articles in the last 24 hours stating what this news article says and business journals. Now if you want to believe anything else go ahead but for now I will stick with the facts.
I am a parts manager at another brand new car dealership and have only seen that happen with 3 party warranty companies. If you go up to the largest size wheel tire that the manufacturer offers either stock or accessory you will be fine. I have personally argued that point with 3rd party...
Sounds like your following a train....🤣
Hard to hear from a recording but I would pull over and check your rear wheels for heat, maybe brakes are dragging or parking brake is dragging.
If they are warmer than the front you might have a problem.