dthamiltonhpmd Posted September 3, 2018 Report Share Posted September 3, 2018 have a 2007 GT500 that has the Borla touring exhaust. I added Kooks long tube headers a while back and don't really care for how loud it is when the RPMs get much above about 2200. Any suggestions for calming the sound down a bit? Quote Link to comment Share on other sites More sharing options...
Secondo Posted September 3, 2018 Report Share Posted September 3, 2018 1 hour ago, dthamiltonhpmd said: have a 2007 GT500 that has the Borla touring exhaust. I added Kooks long tube headers a while back and don't really care for how loud it is when the RPMs get much above about 2200. Any suggestions for calming the sound down a bit? Put the stock mufflers back on. They work well with quieting down the long tubes. Quote Link to comment Share on other sites More sharing options...
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