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Duramax Programmer
Hello TDF, I need some input. I have a friend that is interested in getting a tuner for his '06 Duramax. Anyone out there have any suggestions? He is most interested in improving fuel economy, as he recently spoke to another acquaintance who claimed they were ... Login to read more. 
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| Engine | 6.6 L |
| Trans | 4-speed Automatic (Electronic) |
Vehicle Data
2006 Chevrolet Silverado 2500 HD LT 6.6L
| Engine | 6.6 L |
| Trans | 4-speed Automatic (Electronic) |
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