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  1. #1

    Default Performance Chip

    I'm new to the site here.

    Is there anyone who makes a performance chip for the 2008 1500 4.3L. Its a little sluggish and I'm looking to get a little more kick out of it.

    Thanks in Advance!

  2. #2


    Yep, lots of programmers and custom tunes (ie. PCM swap) options for these trucks. Just do a search for Custom Tune and Handhelds, lots of good info around here. Good luck.

    2009 GMC Sierra Denali AWD

  3. #3


    I would go with a superchip thats what im about to get on my 02 silverado just go to there site and look at all the different specs and dynos they have,

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