1. As a rule, straight thru designs will be louder than chambered mufflers.
2. You don't want back pressure.
3. Flowmaster 50 series mufflers don't drone. The "heavy duty" version, aka the SUV version, is a bit quieter.
They are factory 18" wheels that I had powdercoated.
Not in this picture, but I've since had the rears widened an inch to 9.5". Running 305/45R18 Nittos 555R in the rear.
I've since rid myself of the Yokos. Worst traction I've ever experienced in a tire. I'm going back to a factory height tire. Hoping Toyo Proxy ST IIs have better traction than the Yokos
Truck has a 3"/6" drop using Belltech drop spindles & flipkit. 5.3/6A/3.42.
I don't think jumper cables are recommended anymore. The recommendation is to use a portable jump starter. Most have a USB to allow charging your phone.