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GMC Jimmy exhaust

Discussion in 'The Garage' started by August, Jun 14, 2006.

  1. August

    August Registered Member

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    Hello,

    My truck is at the exhaust shop now to replace the stock system. I removed the converter (I do not have to deal with emissions) and i replaced the stock muffler. I put a magnaflow ss muffler and a pipe where the converter was. As I cannot start the engine to hear the system, do you think I must install another muffler where the cat was?

    I like the growl of a V8, but i don´t like the big fines!

    Augusto
     
  2. Wishbone

    Wishbone 1/2 ton status

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    I have dual Magnaflows on mine with no cats and it's only a little loud at WOT. You don't need anything where the cat used to be but piping. I have true duals with 2.5 piping and 2 magnaflows and it's really not that loud. Much quieter than any Flowmaster.
     
  3. August

    August Registered Member

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    Yes but with dual I think it´s different, you have 1 muffler per line.

    With a single line and just only 1 muffler perhaps it will be not enough.
     
  4. Wishbone

    Wishbone 1/2 ton status

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    Dual exhaust is almost always louder than a single exhaust. I have 2 mufflers making more noise than one. Keep it like it is and if you don't like it then change it then.

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