Flowmasters have a particular sound you either like it or you don't. I think they sound great on muscle cars you drive occasionally or at the strip. For my truck that I drive on a daily basis I like to be able to hear myself think. I love my new Magnaflow Catback System (15788), it doesn't make any obnoxious noises like the Flowmaster I had on my truck did. The Magnaflow just has a nice deep powerful tone, but if you want a loud muffler it is not the way to go.