This is the muffler I run on my '18 5.0. I kept the resonator on mine. I have absolutely zero drone in the cab at any cruising speed. I do run my tailpipe a little different though. I cut the stock tailpipe just after the bend over the rear axle with a 12in tip facing downward. I have run my exhaust like this on probably eight different trucks and this routing of the tailpipe helps with eliminating drone in my opinion. It also gives a clean look out the back. Truck sounds great on start up and acceleration while staying quite in the cab when at cruising speeds.