Anyone using MAC prochamber and Magnaflow/Borla, or Ultraflows??
My 8 yr. old dynomax cat back is sounding as if there is something loose inside one of the mufflers so I'm looking to get something else. I've heard the comments about only using an x-pipe with straight thru mufflers but I'm wondering how the prochamber sounds with straight thru type mufflers.
Thanks,
David
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