FWIW, I've been told that Brown Bread is basically the same stuff as Dyna-Mat, except for costing quite a bit less.
I agree about the diesel clatter being more music than noise, but it'd be nice to be able to make things quieter for long trips. If you want ot hear the music in its full galor, you can always roll down the window
Just my $.02...I probably won't do anything with my car anytime soon; my car's
quiet compared to my truck :p

:p
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