custom exhaust

Discussion in 'GM Powertrain' started by fender_fan969, Apr 15, 2010.

  1. fender_fan969

    fender_fan969 New Member

    i was wondering what the best performing exhaust was for the 5.3l
     
  2. Silverado Junkie

    Silverado Junkie Rockstar 4 Years 500 Posts

    Try a flowmaster super 44. They sound good and make a little more grunt.
     
  3. j-schmizzle

    j-schmizzle Rockstar 4 Years 1000 Posts

    X². .................
     

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