4EverBoosted1
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Anyone on here running a stack on their 6.7? I have this "brushed/black" theme going on my truck and I was thinking about running a single 7" brushed finish stack. I have a 5" exhaust right now and the only company I know of that makes a stack kit that big is Grand Rock. Anyone have any suggestions?? I also am going to try to keep my muffler in line. I don't want it to completely obnoxious. However it looks like Grand Rocks kit also has some type of "internal muffler system" within the piping in the kit....