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Chip Help Mileage? on 6.0?

maineflyer123maineflyer123 Member Posts: 4
edited January 2016 in GMC
Are there any chips that will actually improve my fuel mileage?
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  • texasestexases Member Posts: 11,126
    Nope. If you want to spend a big chunk of change with a dyno and someone who knows what they're doing, you might improve power a little. All of those $69 'chips' are a scam.
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