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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 New Member 100 Posts

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

    j-schmizzle New Member 1000 Posts 100 Posts

    X². .................

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