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Looking to increase gas mileage

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by dusfrow, May 8, 2012.

  1. dusfrow

    dusfrow New Member

    Hello all. I am new to this forum, and looking to boost my gas mileage on my 2011 Silverado extended cab 5.3L. Open to suggestions. Was thinking of getting a performance chip, but not sure if it actually does anything. Thanks
  2. mfleetwood

    mfleetwood New Member ROTM Winner 1000 Posts

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