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Muffler delete


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Posted

If i delete my 3rd cat and add a borla atak will it sound good or just leave the cat on and add the borla atak ? I drive a silverado 2016 5.3

  • 1 month later...
Posted

It all depends on what you are doing, are you getting rid of the flapper and the resonator? I think those would have more of an impact than the 3rd cat. IMO

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