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Reduce Remus exhaust drone on 05 Boxster

  • 2005
  • Boxster
48 000
Beverly Hills, 

I just bought a 2005 987.1 Boxster Base and it is a great car!  It has a Remus dual exhaust added by the prior owner to boost Hp but there is too much cabin drone for me.  It occurs between 2,000 and 3,500 rpm which is where I spend a lot of time with my driving style.  Is there a reasonable fix to reduce drone without replacing the whole exhaust system?  Replacing the mufflers?  Adding one (or two) resonators?  I don't want to just add sound deadening fabric to the underside of the vehicle as some have suggested.  I want to alter the exhaust to significantly reduce drone.  Any ideas?

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