Tuner for cummins
Which tuner would be the best for a 2007 5.9 cummins 3500? For better fuel economy/towing? Thanks
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i like the smarty jr. :hellox:
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EFI Live AutoCal
Luke |
Edge ez they are good for adding horsepower and they will not be hard o your injectors. will improve fuel milage if you keep your foot out of it. if you like to hot rod and blow smoke you'll see a drop in milage. you could even buy a used one because most don't have a vin lock on them.:c::c::jump:
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Perfect thanks guys! :ok:
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Smarty jr for me
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EFI LIVE. We have them with tunes included.
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EFI Live or H&S Mini Maxx - Have Both options
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