My brother had an aero turbine muffler on his Grand Cherokee. It sounded horrible, but I think thats more a product of having a straight thru type muffler on a 4.0 I6 Jeep engine than the muffler itself. The build and material quality of the muffler itself seemed to be pretty good.
1997 Ford Thunderbird, Built NA 2V/ T-45
1997 Ford Explorer AWD 5.0L
2003 Lincoln LS V8 Bolt Ons
2009 Yamaha VMax
2011 F-150 Lariat Limited 6.2L 4WD
2015 Ford Mustang GT Premium, Performance Pack, Recaros