Right now I have a MRT catted H paired up with macs SS catback. I love the sound of this setup up but I recently got a new job and have to travel 20 miles on the highway. As most of you know chambered mufflers have dron at 70-75mph. I'm starting to get sick of the dron but love the sound from 750-2000rpm and 2500-6000 RPM but at 2100-2300 I don't like it. What can I get welded in that won't dron. I was thinking of SLP LM II, Magnalfows or Magnapackes. What do you guys think would be my best option?