Well today i just put on the flowmaster super 44 muffler on my 98 f150 4.6L and it sounds really nice. I'm gonna try to get a video clip of it soon so you can hear what it sounds like. But I have a small exhaust leak right around the donut, and i bought some sort of selant that my friend who is a mecanic said works wonders, so i'm gonna try to do that later today, hopefully that will help.

 

Good choice.