JBA Headers

Discussion in 'Performance & Fuel' started by rbish1984, Sep 25, 2008.

  1. rbish1984

    rbish1984 New Member

    What does it mean models with EGR in manifold. are there two different types of 5.3L. I have a 08 Chevy 5.3l flexfuel
  2. travisreiner

    travisreiner New Member

    I would like to know the same thing for a '07 4.8

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